1. Department of Obstetrics and Gynecology Division of Obstetrics and Prenatal Medicine Erasmus MCUniversity Medical Center Rotterdam Rotterdam The Netherlands
2. Department of Obstetrics and Gynecology Amsterdam University Medical CenterAmsterdam Medical Center Amsterdam The Netherlands
3. Department of Obstetrics Division Woman and Baby University Medical Center Utrecht Utrecht The Netherlands
4. Department of Neonatology Beatrix Children’s HospitalUniversity of GroningenUniversity Medical Center Groningen Groningen The Netherlands
5. Department of Obstetrics and Gynecology University Medical Center Groningen Groningen The Netherlands
6. Department of Obstetrics and Gynecology Maxima Medical Center Veldhoven The Netherlands
7. Department of Obstetrics and Gynecology Maastricht University Medical Center Maastricht The Netherlands
8. Department of Neonatology Amsterdam University Medical CenterAcademic Medical Center Amsterdam The Netherlands
9. Department of Obstetrics and Gynecology Radboud University Medical Cernter Nijmegen The Netherlands
10. Department of Obstetrics and Gynecology Monash University Clayton VIC Australia