1. Department of Child and Adolescent Psychiatry/Psychology Erasmus MC‐Sophia Children's Hospital University Medical Center Rotterdam The Netherlands
2. Department of Psychology, Education, & Child Studies Erasmus University Rotterdam Rotterdam The Netherlands
3. Child and Adolescent Mental Health Center Mental Health Services, Capital Region of Denmark Copenhagen Denmark
4. Department of Clinical Medicine Faculty of Health and Medical Sciences University of Copenhagen Copenhagen Denmark
5. Department of the Parnassia Psychiatric Institute Youz, Center for Youth Mental Healthcare The Hague The Netherlands
6. Department of Psychiatry Erasmus MC University Medical Center Rotterdam The Netherlands