1. Jeroen Bosch Hospital; Department of Obstetrics; Henri Dunantstraat 1 's-Hertogenbosch Netherlands 5223 GZ
2. Rotterdam University of Applied Sciences; Department of Health Care Studies; Rotterdam Netherlands
3. Royal Cornwall Hospital NHS Trust; Department of Obstetrics and Gynaecology; Princess Alexandra Wing, Treliske Truro UK
4. Erasmus Medical Center; Dr Molewaterplein 40 Rotterdam Netherlands 3015 GD
5. Monash Health and Monash University; Department of Obstetrics and Gynaecology; 246 Clayton Road Clayton Victoria Australia 3168
6. Monash University; Clayton Victoria Australia
7. Birth Centre Wilhelmina’s Children Hospital, University Medical Center Utrecht; Department of Obstetrics, Division Women and Baby; Utrecht Netherlands
8. Monash University; Department of Obstetrics and Gynaecology; 246 Clayton Road Clayton Victoria Australia 3168
9. University of Geneva/GHOL-Nyon Hospital; Department of Gynecology and Obstetrics; NYON Switzerland