1. The Generation R Study Group; Erasmus Medical Center; The Netherlands
2. Department of Internal Medicine; Erasmus Medical Center; The Netherlands
3. Department of Child and Adolescent Psychiatry; Erasmus Medical Center - Sophia Children's Hospital; The Netherlands
4. Department of Obstetrics and Gynecology; Erasmus Medical Center - Sophia Children's Hospital; The Netherlands
5. Department of Endocrinology; Erasmus Medical Center - Sophia Children's Hospital; The Netherlands
6. Department of Pediatrics; Erasmus Medical Center - Sophia Children's Hospital; The Netherlands
7. Department of Epidemiology; Erasmus Medical Center; The Netherlands
8. Department of Immunology; Erasmus Medical Center; Rotterdam The Netherlands
9. Department of Laboratory Medicine; Radboud University Nijmegen Medical Centre; Nijmegen The Netherlands
10. Department of Clinical Chemistry; Erasmus Medical Center - Sophia Children's Hospital; Rotterdam the Netherlands