1. Yulius Mental Health Organization, Yulius Academy, Dordrecht, 3300 BA, Netherlands
2. Department of Child and Adolescent Psychiatry and Psychology, Erasmus Medical Center, Rotterdam, 3000 CB, Netherlands
3. ARQ National Pyschotrauma Centre, Diemen, Netherlands
4. Clinical Child and Family Studies, Vrije Universiteit Amsterdam, Amsterdam, 1081 BT, Netherlands
5. Department of Psychology, University of Warwick, Coventry CV4 7AL, UK
6. Department of Biostatistics, Erasmus Medical Center, Rotterdam, 3000 CB, Netherlands
7. Department of Epidemiology, Erasmus Medical Center, Rotterdam, 3000 CB, Netherlands
8. Child And Adolescent Neuropsychiatric Service, ASST Spedali Civili, Brescia, Italy
9. Department of Psychiatry and Neuropsychology, University of Maastricht, Maastricht, Netherlands
10. Mondriaan Mental Health Care, Heerlen, Netherlands
11. NIHR Mental Health Policy Research Unit, Division of Psychiatry, University College London, London W1T 7NF, UK
12. University Service for Child and Adolescent Psychiatry, Department of Psychiatry, Centre Hospitalier Universitaire Vaudois, University of Lausanne, Lausanne, Switzerland
13. Department of Psychiatry, University Hospital Split, Split 21000, Croatia
14. School of Medicine, University of Split, Split 21000, Croatia
15. Psychiatric Epidemiology and Evaluation Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia 25125, Italy
16. Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK
17. Child Neuropsychiatric Unit, University of Bari, Bari 70121, Italy
18. School of Medicine & Medical Science, University College Dublin, Dublin D04 V1W8, Ireland
19. Lucena CAMHS, SJOG, Dublin, Ireland
20. Unit of Adolescent Psychiatric Emergency, “Policlinico” Hospital, Bari 70121, Italy
21. Centre Hospitalier Universitaire de Montpellier, Saint Eloi Hospital, Montpellier 34090, France
22. CESP U1018, PsyDev, University Paris Saclay, UVSQ, INSERM, Versailles, France
23. Child And Adolescent Neuropsychiatric Service, ASST of Valcamonica, Esine, Italy
24. Department of Child and Adolescent Psychiatry/Psychotherapy, University of Ulm, Ulm 89075, Germany
25. Department of Child & Adolescent Psychiatry, Institute of Psychiatry, Psychology and Neuroscience, Kings College London, London SE5 8AF, UK
26. Centre for Interventional Paediatric Psychopharmacology and Rare Diseases, South London and Maudsley NHS Foundation Trust, London SE5 8AZ, UK
27. HealthTracker Ltd., Kent ME7 1AY, UK
28. Klinik für Kinder- und Jugendpsychiatrie und Psychotherapie, Josefinum Augsburg, Augsburg 86154, Germany
29. Rees Centre, Department of Education, University of Oxford, Oxford OX2 6PY, UK
30. Department of Neurosciences, KU Leuven, Leuven BE-3000, Belgium