<> <http://www.w3.org/2000/01/rdf-schema#comment> "The repository administrator has not yet configured an RDF license."^^<http://www.w3.org/2001/XMLSchema#string> . <> <http://xmlns.com/foaf/0.1/primaryTopic> <https://discovery.ucl.ac.uk/id/eprint/10056831> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://purl.org/ontology/bibo/AcademicArticle> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://purl.org/ontology/bibo/Article> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/title> "Data driven diagnostic classification in Alzheimer's disease based on different reference regions for normalization of PiB-PET images and correlation with CSF concentrations of Aβ species"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/abstract> "Positron emission tomography (PET) neuroimaging with the Pittsburgh Compound_B (PiB) is widely used to assess amyloid plaque burden. Standard quantification approaches normalize PiB-PET by mean cerebellar gray matter uptake. Previous studies suggested similar pons and white-matter uptake in Alzheimer's disease (AD) and healthy controls (HC), but lack exhaustive comparison of normalization across the three regions, with data-driven diagnostic classification. We aimed to compare the impact of distinct reference regions in normalization, measured by data-driven statistical analysis, and correlation with cerebrospinal fluid (CSF) amyloid β (Aβ) species concentrations. 243 individuals with clinical diagnosis of AD, HC, mild cognitive impairment (MCI) and other dementias, from the Biomarkers for Alzheimer's/Parkinson's Disease (BIOMARKAPD) initiative were included. PiB-PET images and CSF concentrations of Aβ38, Aβ40 and Aβ42 were submitted to classification using support vector machines. Voxel-wise group differences and correlations between normalized PiB-PET images and CSF Aβ concentrations were calculated. Normalization by cerebellar gray matter and pons yielded identical classification accuracy of AD (accuracy-96%, sensitivity-96%, specificity-95%), and significantly higher than Aβ concentrations (best accuracy 91%). Normalization by the white-matter showed decreased extent of statistically significant multivoxel patterns and was the only method not outperforming CSF biomarkers, suggesting statistical inferiority. Aβ38 and Aβ40 correlated negatively with PiB-PET images normalized by the white-matter, corroborating previous observations of correlations with non-AD-specific subcortical changes in white-matter. In general, when using the pons as reference region, higher voxel-wise group differences and stronger correlation with Aβ42, the Aβ42/Aβ40 or Aβ42/Aβ38 ratios were found compared to normalization based on cerebellar gray matter."^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/date> "2018" . <https://discovery.ucl.ac.uk/id/document/740075> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://purl.org/ontology/bibo/Document> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/volume> "20" . <https://discovery.ucl.ac.uk/id/publication/ext-22131582> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://purl.org/ontology/bibo/Collection> . <https://discovery.ucl.ac.uk/id/publication/ext-22131582> <http://xmlns.com/foaf/0.1/name> "NeuroImage Clinical"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/isPartOf> <https://discovery.ucl.ac.uk/id/publication/ext-22131582> . <https://discovery.ucl.ac.uk/id/publication/ext-22131582> <http://www.w3.org/2002/07/owl#sameAs> <urn:issn:22131582> . <https://discovery.ucl.ac.uk/id/publication/ext-22131582> <http://purl.org/ontology/bibo/issn> "22131582" . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/status> <http://purl.org/ontology/bibo/status/published> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-c2a9b6003bf45dcaa791bb500ca23055> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_1> <https://discovery.ucl.ac.uk/id/person/ext-c2a9b6003bf45dcaa791bb500ca23055> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-2950aa0ca16a1fe7004e1e85184ff4df> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_2> <https://discovery.ucl.ac.uk/id/person/ext-2950aa0ca16a1fe7004e1e85184ff4df> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-ce45a120be2da89053e6d620580323f4> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_3> <https://discovery.ucl.ac.uk/id/person/ext-ce45a120be2da89053e6d620580323f4> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-3a452d5b193a59902abd176e069c3674> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_4> <https://discovery.ucl.ac.uk/id/person/ext-3a452d5b193a59902abd176e069c3674> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-af8097321bcd47756ec55d681a3310d9> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_5> <https://discovery.ucl.ac.uk/id/person/ext-af8097321bcd47756ec55d681a3310d9> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-7030787a833cb83a1763d538ec878160> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_6> <https://discovery.ucl.ac.uk/id/person/ext-7030787a833cb83a1763d538ec878160> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-93b1966ceda3b5fbeaffcc63070cf9c3> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_7> <https://discovery.ucl.ac.uk/id/person/ext-93b1966ceda3b5fbeaffcc63070cf9c3> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-041d263436eb28e65d46979ff3b36184> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_8> <https://discovery.ucl.ac.uk/id/person/ext-041d263436eb28e65d46979ff3b36184> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-cf5d15a514e24f13285920641c185a1b> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_9> <https://discovery.ucl.ac.uk/id/person/ext-cf5d15a514e24f13285920641c185a1b> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-288624984e7dd6594a7e276b228996c6> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_10> <https://discovery.ucl.ac.uk/id/person/ext-288624984e7dd6594a7e276b228996c6> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-87981136e6a2abd204df3089f305a0d3> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_11> <https://discovery.ucl.ac.uk/id/person/ext-87981136e6a2abd204df3089f305a0d3> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-54ea4b7653ce42d47375d6dc74e20320> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_12> <https://discovery.ucl.ac.uk/id/person/ext-54ea4b7653ce42d47375d6dc74e20320> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-6348231dca5e806901be6897c1028cab> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_13> <https://discovery.ucl.ac.uk/id/person/ext-6348231dca5e806901be6897c1028cab> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-c5a3a7cb6fda3d937a2437264a4ea16f> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_14> <https://discovery.ucl.ac.uk/id/person/ext-c5a3a7cb6fda3d937a2437264a4ea16f> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-2459d8e3661fd6412fffbffa4a0cfe27> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_15> <https://discovery.ucl.ac.uk/id/person/ext-2459d8e3661fd6412fffbffa4a0cfe27> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-940c8f21b22630dc1a561faf0eae6c90> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_16> <https://discovery.ucl.ac.uk/id/person/ext-940c8f21b22630dc1a561faf0eae6c90> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-e9cc95b54b906534f1e5ddd23eb3062b> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_17> <https://discovery.ucl.ac.uk/id/person/ext-e9cc95b54b906534f1e5ddd23eb3062b> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-f9e9ee5f1f08c2a1ca981d39177f9eff> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_18> <https://discovery.ucl.ac.uk/id/person/ext-f9e9ee5f1f08c2a1ca981d39177f9eff> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-76eda09be6a9da79daa694e7acbbfa2f> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_19> <https://discovery.ucl.ac.uk/id/person/ext-76eda09be6a9da79daa694e7acbbfa2f> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-e27ad1a0c80ace6b151ac4aae69bc796> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_20> <https://discovery.ucl.ac.uk/id/person/ext-e27ad1a0c80ace6b151ac4aae69bc796> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-5965f5b9e91578169567fff7db5048ab> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_21> <https://discovery.ucl.ac.uk/id/person/ext-5965f5b9e91578169567fff7db5048ab> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-f7b1265826cc9c75323d1e4953131a40> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_22> <https://discovery.ucl.ac.uk/id/person/ext-f7b1265826cc9c75323d1e4953131a40> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-bc290166b8b323eeab2559fbda6171a0> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_23> <https://discovery.ucl.ac.uk/id/person/ext-bc290166b8b323eeab2559fbda6171a0> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-4919e47c298689d08a4a6411cb00d55c> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_24> <https://discovery.ucl.ac.uk/id/person/ext-4919e47c298689d08a4a6411cb00d55c> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/dc/terms/creator> <https://discovery.ucl.ac.uk/id/person/ext-60a862e085f87eae7d4b9a9c76d198fa> . <https://discovery.ucl.ac.uk/id/eprint/10056831> <http://purl.org/ontology/bibo/authorList> <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> . <https://discovery.ucl.ac.uk/id/eprint/10056831#authors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#_25> <https://discovery.ucl.ac.uk/id/person/ext-60a862e085f87eae7d4b9a9c76d198fa> . <https://discovery.ucl.ac.uk/id/person/ext-4919e47c298689d08a4a6411cb00d55c> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-4919e47c298689d08a4a6411cb00d55c> <http://xmlns.com/foaf/0.1/givenName> "A"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-4919e47c298689d08a4a6411cb00d55c> <http://xmlns.com/foaf/0.1/familyName> "Nordberg"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-4919e47c298689d08a4a6411cb00d55c> <http://xmlns.com/foaf/0.1/name> "A Nordberg"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-cf5d15a514e24f13285920641c185a1b> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-cf5d15a514e24f13285920641c185a1b> <http://xmlns.com/foaf/0.1/givenName> "A"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-cf5d15a514e24f13285920641c185a1b> <http://xmlns.com/foaf/0.1/familyName> "Lleó"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-cf5d15a514e24f13285920641c185a1b> <http://xmlns.com/foaf/0.1/name> "A Lleó"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-87981136e6a2abd204df3089f305a0d3> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-87981136e6a2abd204df3089f305a0d3> <http://xmlns.com/foaf/0.1/givenName> "J"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-87981136e6a2abd204df3089f305a0d3> <http://xmlns.com/foaf/0.1/familyName> "Johansson"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-87981136e6a2abd204df3089f305a0d3> <http://xmlns.com/foaf/0.1/name> "J Johansson"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-c5a3a7cb6fda3d937a2437264a4ea16f> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-c5a3a7cb6fda3d937a2437264a4ea16f> <http://xmlns.com/foaf/0.1/givenName> "A"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-c5a3a7cb6fda3d937a2437264a4ea16f> <http://xmlns.com/foaf/0.1/familyName> "Beer"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-c5a3a7cb6fda3d937a2437264a4ea16f> <http://xmlns.com/foaf/0.1/name> "A Beer"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-ce45a120be2da89053e6d620580323f4> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-ce45a120be2da89053e6d620580323f4> <http://xmlns.com/foaf/0.1/givenName> "J"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-ce45a120be2da89053e6d620580323f4> <http://xmlns.com/foaf/0.1/familyName> "Castelhano"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-ce45a120be2da89053e6d620580323f4> <http://xmlns.com/foaf/0.1/name> "J Castelhano"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-041d263436eb28e65d46979ff3b36184> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-041d263436eb28e65d46979ff3b36184> <http://xmlns.com/foaf/0.1/givenName> "M"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-041d263436eb28e65d46979ff3b36184> <http://xmlns.com/foaf/0.1/familyName> "Otto"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-041d263436eb28e65d46979ff3b36184> <http://xmlns.com/foaf/0.1/name> "M Otto"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-940c8f21b22630dc1a561faf0eae6c90> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-940c8f21b22630dc1a561faf0eae6c90> <http://xmlns.com/foaf/0.1/givenName> "J"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-940c8f21b22630dc1a561faf0eae6c90> <http://xmlns.com/foaf/0.1/familyName> "Fortea"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-940c8f21b22630dc1a561faf0eae6c90> <http://xmlns.com/foaf/0.1/name> "J Fortea"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-6348231dca5e806901be6897c1028cab> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-6348231dca5e806901be6897c1028cab> <http://xmlns.com/foaf/0.1/givenName> "C"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-6348231dca5e806901be6897c1028cab> <http://xmlns.com/foaf/0.1/familyName> "Arnim"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-6348231dca5e806901be6897c1028cab> <http://xmlns.com/foaf/0.1/name> "C Arnim"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-2950aa0ca16a1fe7004e1e85184ff4df> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-2950aa0ca16a1fe7004e1e85184ff4df> <http://xmlns.com/foaf/0.1/givenName> "A"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-2950aa0ca16a1fe7004e1e85184ff4df> <http://xmlns.com/foaf/0.1/familyName> "Leuzy"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-2950aa0ca16a1fe7004e1e85184ff4df> <http://xmlns.com/foaf/0.1/name> "A Leuzy"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-c2a9b6003bf45dcaa791bb500ca23055> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-c2a9b6003bf45dcaa791bb500ca23055> <http://xmlns.com/foaf/0.1/givenName> "F"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-c2a9b6003bf45dcaa791bb500ca23055> <http://xmlns.com/foaf/0.1/familyName> "Oliveira"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-c2a9b6003bf45dcaa791bb500ca23055> <http://xmlns.com/foaf/0.1/name> "F Oliveira"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-54ea4b7653ce42d47375d6dc74e20320> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-54ea4b7653ce42d47375d6dc74e20320> <http://xmlns.com/foaf/0.1/givenName> "S"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-54ea4b7653ce42d47375d6dc74e20320> <http://xmlns.com/foaf/0.1/familyName> "Anderl-Straub"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-54ea4b7653ce42d47375d6dc74e20320> <http://xmlns.com/foaf/0.1/name> "S Anderl-Straub"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-76eda09be6a9da79daa694e7acbbfa2f> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-76eda09be6a9da79daa694e7acbbfa2f> <http://xmlns.com/foaf/0.1/givenName> "J"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-76eda09be6a9da79daa694e7acbbfa2f> <http://xmlns.com/foaf/0.1/familyName> "Pannee"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-76eda09be6a9da79daa694e7acbbfa2f> <http://xmlns.com/foaf/0.1/name> "J Pannee"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-e9cc95b54b906534f1e5ddd23eb3062b> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-e9cc95b54b906534f1e5ddd23eb3062b> <http://xmlns.com/foaf/0.1/givenName> "H"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-e9cc95b54b906534f1e5ddd23eb3062b> <http://xmlns.com/foaf/0.1/familyName> "Sanna-Kaisa"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-e9cc95b54b906534f1e5ddd23eb3062b> <http://xmlns.com/foaf/0.1/name> "H Sanna-Kaisa"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-e27ad1a0c80ace6b151ac4aae69bc796> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-e27ad1a0c80ace6b151ac4aae69bc796> <http://xmlns.com/foaf/0.1/givenName> "H"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-e27ad1a0c80ace6b151ac4aae69bc796> <http://xmlns.com/foaf/0.1/familyName> "Zetterberg"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-e27ad1a0c80ace6b151ac4aae69bc796> <http://xmlns.com/foaf/0.1/name> "H Zetterberg"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-93b1966ceda3b5fbeaffcc63070cf9c3> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-93b1966ceda3b5fbeaffcc63070cf9c3> <http://xmlns.com/foaf/0.1/givenName> "A"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-93b1966ceda3b5fbeaffcc63070cf9c3> <http://xmlns.com/foaf/0.1/familyName> "Mendonça"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-93b1966ceda3b5fbeaffcc63070cf9c3> <http://xmlns.com/foaf/0.1/name> "A Mendonça"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-60a862e085f87eae7d4b9a9c76d198fa> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-60a862e085f87eae7d4b9a9c76d198fa> <http://xmlns.com/foaf/0.1/givenName> "M"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-60a862e085f87eae7d4b9a9c76d198fa> <http://xmlns.com/foaf/0.1/familyName> "Castelo-Branco"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-60a862e085f87eae7d4b9a9c76d198fa> <http://xmlns.com/foaf/0.1/name> "M Castelo-Branco"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-288624984e7dd6594a7e276b228996c6> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-288624984e7dd6594a7e276b228996c6> <http://xmlns.com/foaf/0.1/givenName> "I"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-288624984e7dd6594a7e276b228996c6> <http://xmlns.com/foaf/0.1/familyName> "Santana"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-288624984e7dd6594a7e276b228996c6> <http://xmlns.com/foaf/0.1/name> "I Santana"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-5965f5b9e91578169567fff7db5048ab> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-5965f5b9e91578169567fff7db5048ab> <http://xmlns.com/foaf/0.1/givenName> "K"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-5965f5b9e91578169567fff7db5048ab> <http://xmlns.com/foaf/0.1/familyName> "Blennow"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-5965f5b9e91578169567fff7db5048ab> <http://xmlns.com/foaf/0.1/name> "K Blennow"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-f7b1265826cc9c75323d1e4953131a40> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-f7b1265826cc9c75323d1e4953131a40> <http://xmlns.com/foaf/0.1/givenName> "AP"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-f7b1265826cc9c75323d1e4953131a40> <http://xmlns.com/foaf/0.1/familyName> "Moreira"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-f7b1265826cc9c75323d1e4953131a40> <http://xmlns.com/foaf/0.1/name> "AP Moreira"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-f9e9ee5f1f08c2a1ca981d39177f9eff> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-f9e9ee5f1f08c2a1ca981d39177f9eff> <http://xmlns.com/foaf/0.1/givenName> "E"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-f9e9ee5f1f08c2a1ca981d39177f9eff> <http://xmlns.com/foaf/0.1/familyName> "Portelius"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-f9e9ee5f1f08c2a1ca981d39177f9eff> <http://xmlns.com/foaf/0.1/name> "E Portelius"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-7030787a833cb83a1763d538ec878160> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-7030787a833cb83a1763d538ec878160> <http://xmlns.com/foaf/0.1/givenName> "J"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-7030787a833cb83a1763d538ec878160> <http://xmlns.com/foaf/0.1/familyName> "Rinne"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-7030787a833cb83a1763d538ec878160> <http://xmlns.com/foaf/0.1/name> "J Rinne"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-2459d8e3661fd6412fffbffa4a0cfe27> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> . <https://discovery.ucl.ac.uk/id/person/ext-2459d8e3661fd6412fffbffa4a0cfe27> <http://xmlns.com/foaf/0.1/givenName> "R"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-2459d8e3661fd6412fffbffa4a0cfe27> <http://xmlns.com/foaf/0.1/familyName> "Blesa"^^<http://www.w3.org/2001/XMLSchema#string> . <https://discovery.ucl.ac.uk/id/person/ext-2459d8e3661fd6412fffbffa4a0cfe27> <http://xmlns.com/foaf/0.1/name> "R Blesa"^^<http://www.w3.org/2001/XMLSchema#string> . 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