1. Department of Child and Adolescent Psychiatry, University Medical Centre Utrecht, Utrecht, The Netherlands.
2. Division of Child, Adolescent and Family, Altrecht, Institute for Mental Health Utrecht, The Netherlands.
3. Division of Pharmacoepidemiology and Pharmacotherapy, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, The Netherlands.
4. Faculty Social Science, University Leiden, The Netherlands.
5. Department of Clinical Pharmacy, University Medical Centre Utrecht, Utrecht, The Netherlands.