1. Department of Research and Education, Academic Center for Child and Youth Psychiatry, Curium-LUMC , Oegstgeest , the Netherlands
2. Department of Public Health and Primary Care, Leiden University Medical Center (LUMC) , Leiden , the Netherlands
3. Youz, Parnassia Psychiatric Institute , the Hague , the Netherlands
4. Regional Centre for Child and Youth Mental Health and Child Welfare, Northern Norway, UiT, The Arctic University of Norway , Tromsø , Norway
5. Sechenov First Moscow State Medical University , Moscow , Russia
6. Regional Centre for Child and Youth Mental Health and Child Welfare, IPH, Faculty of Medicine and Health Sciences, NTNU , Trondheim , Norway