1. The Generation R Study Group; Erasmus University Medical Center; Rotterdam The Netherlands
2. Department of Oral & Maxillofacial Surgery; Special Dental Care and Orthodontics; Erasmus University Medical Center; Rotterdam The Netherlands
3. Department of Clinical Chemistry; Endocrine Laboratory; VU University Medical Center; Amsterdam The Netherlands
4. Department of Epidemiology; Erasmus University Medical Center; Rotterdam The Netherlands
5. Department of Internal Medicine; Erasmus University Medical Center; Rotterdam The Netherlands
6. Department of Pediatrics; Erasmus University Medical Center; Rotterdam The Netherlands
7. Department of Child and Adolescent Psychiatry/psychology; Erasmus University Medical Center/Sophia; Rotterdam The Netherlands
8. Department of Psychiatry; Erasmus University Medical Center; Rotterdam The Netherlands