1. Department of Obstetrics and Gynaecology; Reinier de Graaf Groep; Delft The Netherlands
2. Department of Obstetrics and Gynaecology; Leiden University Medical Center; Leiden The Netherlands
3. Regional Ambulance Services; Leiden The Netherlands
4. Department of Medical Humanities; EMGO Institute VU University Medical Centre; Amsterdam The Netherlands
5. Center for Evidence Based Education; Academic Medical Center; Amsterdam The Netherlands