1. Department of Cardiology Erasmus Medical Center Rotterdam The Netherlands
2. Department of Gynecology Erasmus Medical Center Rotterdam The Netherlands
3. Department of Child and Adolescent Psychiatry/Psychology Erasmus Medical Center, University Medical Center Rotterdam Rotterdam The Netherlands
4. Department of Internal Medicine Erasmus Medical Center Rotterdam The Netherlands
5. Department of Otolaryngology Erasmus Medical Center Rotterdam The Netherlands
6. Department of Orthopedics Erasmus Medical Center Rotterdam The Netherlands
7. Department of Clinical Epidemiology Erasmus Medical Center Rotterdam The Netherlands
8. Department of Quality and Patient care Erasmus Medical Center Rotterdam The Netherlands
9. Department of Public Health Erasmus Medical Center Rotterdam The Netherlands
10. Research Institute of Child Development and Education University of Amsterdam Amsterdam The Netherlands
11. Department of Child and Adolescent Psychiatry Academic Center for Child Psychiatry the Bascule, Academic Medical Center Amsterdam The Netherlands