1. Obstetrics, Amsterdam Reproduction and Development Research Institute Amsterdam UMC University of Amsterdam Amsterdam the Netherlands
2. Julius Centre for Health Sciences and Primary Care University Medical Centre Utrecht Utrecht the Netherlands
3. Department of Obstetrics and Gynaecology Leiden University Medical Centre Leiden the Netherlands
4. Child and Adolescent Studies Utrecht University Utrecht the Netherlands
5. Paediatrics, Amsterdam Reproduction and Development Research Institute Amsterdam UMC University of Amsterdam Amsterdam the Netherlands
6. Department of Clinical Epidemiology, Biostatistics, and Bioinformatics Amsterdam UMC University of Amsterdam Amsterdam the Netherlands
7. Department of Obstetrics and Gynaecology Monash University Clayton Victoria Australia