1. Adult Mental Health Department; Parc Taulí University Hospital; Universitat Autònoma de Barcelona; Sabadell Spain
2. Carlos III Health Institute; CIBERSAM (Centro de Investigación en Red de Salud Mental); Barcelona Spain
3. Centre for Epidemiology and Biostatistics; Melbourne School of Population Health; The University of Melbourne; Melbourne Vic Australia
4. Department of Family Medicine; Samsung Medical Center; Sungkyunkwan University School of Medicine; Gangnamgu Seoul South Korea
5. Department of Epidemiology; School of Public Health; Seoul National University; Seoul South Korea
6. Instituto D'Or de Pesquisa e Ensino (IDOR); Rio de Janeiro Brazil
7. Brain & Mental Health Laboratory; Monash Institute of Cognitive and Clinical Neurosciences; Monash University; Melbourne Vic Australia
8. Orygen; The National Centre of Excellence in Youth Mental Health; Melbourne Vic Australia
9. Centre for Youth Mental Health; The University of Melbourne; Melbourne Vic Australia
10. Department of Psychiatry; Melbourne Neuropsychiatry Centre; The University of Melbourne and Melbourne Health; Melbourne Vic Australia
11. Department of Psychiatry; Bellvitge University Hospital; Bellvitge Biomedical Research Institute (IDIBELL); Barcelona Spain
12. Department of Clinical Sciences; School of Medicine; University of Barcelona; Barcelona Spain
13. Department of Anatomy and Neurosciences; VU university medical center (VUmc); Amsterdam The Netherlands
14. Department of Psychiatry; VUmc; Amsterdam The Netherlands
15. Neuroscience Campus Amsterdam; VU/VUmc; Amsterdam The Netherlands
16. The OCD team; Haukeland University Hospital; Bergen Norway