@article{discovery10204508, publisher = {BMJ}, year = {2025}, journal = {BMJ}, note = {{\copyright} The Author 2025. This is an Open Access article distributed in accordance with the terms of the Creative Commons Attribution (CC BY 4.0) license (http://creativecommons.org/licenses/by/4.0/).}, volume = {388}, title = {Guidance for protocol content and reporting of factorial randomised trials: explanation and elaboration of the CONSORT 2010 and SPIRIT 2013 extensions}, url = {https://doi.org/10.1136/bmj-2024-080785}, author = {Kahan, Brennan C and Juszczak, Edmund and Beller, Elaine and Birchenall, Megan and Chan, An-Wen and Hall, Sophie and Little, Paul and Fletcher, John and Golub, Robert M and Goulao, Beatriz and Hopewell, Sally and Islam, Nazrul and Zwarenstein, Merrick and Elbourne, Diana and Montgomery, Alan} }