1. Perined Utrecht The Netherlands
2. Research Center of Innovations in Care Rotterdam University of Applied Sciences, Research Center of Innovations Rotterdam The Netherlands
3. Department of Obstetrics and Gynecology Radboud University Medical Center Nijmegen The Netherlands
4. Department of Obstetrics and Gynecology Deventer Hospital Deventer The Netherlands
5. Department of Obstetrics, Division Women and Baby, Birth Centre Wilhelmina Children Hospital University Medical Center Utrecht Utrecht The Netherlands
6. Department of Obstetrics and Gynecology Leiden University Medical Center Leiden The Netherlands
7. Athena Institute VU University Amsterdam The Netherlands