%V 16 %L discovery10146799 %C England %J The Lancet Regional Health - Europe %A AG Lai %A WH Chang %A D Skuse %O © 2022 The Author(s). Published by Elsevier Ltd under a Creative Commons license (https://creativecommons.org/licenses/by-nc-nd/4.0/). %D 2022 %T Autism and mental illness in children and young people require standardised approaches for assessment and treatment %I Elsevier BV