1. Midwifery Science AVAG Amsterdam Public Health Research Institute Amsterdam UMC Vrije Universiteit Amsterdam Amsterdam The Netherlands
2. Child and Adolescent Studies Utrecht University Utrecht The Netherlands
3. Department of Obstetrics and Gynaecology Gelre Hospitals Apeldoorn The Netherlands
4. Department of Child Health TNO Leiden The Netherlands
5. Department of General Practice and Elderly Care Medicine Amsterdam Public Health Research Institute Amsterdam UMC Vrije Universiteit Amsterdam Amsterdam The Netherlands