1. Department of Hospital Pharmacy, Erasmus Medical Centre, Rotterdam, The Netherlands.
2. Department of Pharmacotherapy, -Epidemiology and -Economics, University of Groningen, Groningen, The Netherlands.
3. Department of Psychiatry, University of Groningen, University Medical Centre Groningen, The Netherlands.
4. Department of Child and Adolescent Psychiatry/Psychology, Erasmus Medical Centre, Rotterdam, The Netherlands.