1. Department of Obstetrics and Gynecology; Academic Medical Center; Amsterdam the Netherlands
2. Department of Obstetrics and Gynecology; VU University Medical Center; Amsterdam the Netherlands
3. Department of Obstetrics and Gynecology; Máxima Medical Center; Veldhoven the Netherlands
4. Department of Midwifery Science; AVAG/EMGO Institute for Health and Care Research; VU University Medical Center; Amsterdam the Netherlands
5. Department of Neonatology; Emma Children's Hospital Academic Medical Center; Amsterdam the Netherlands
6. Obstetrics and Prenatal Center FARA; Ede the Netherlands
7. Department of Obstetrics and Gynecology; Maastricht University Medical Center; Maastricht the Netherlands
8. Department of Obstetrics and Gynecology; Radboud University Nijmegen; Nijmegen the Netherlands
9. Ziekenhuisgroep Twente Hospital; Almelo the Netherlands
10. Department of Obstetrics and Gynecology; Atrium Medical Center; Heerlen the Netherlands
11. Department of Clinical Epidemiology, Biostatistics and Bioinformatics (KEBB); Academic Medical Center; Amsterdam the Netherlands
12. Department of Obstetrics and Gynecology; Leiden University Medical Center; Leiden the Netherlands
13. The Robinson Institute; School of Paediatrics and Reproductive Health; University of Adelaide; Adelaide South Australia Australia