Institution: | 1. Department of Obstetrics and Gynecology, University Hospital Sao João, Porto, Portugal;2. Department of Anatomy, Embryology & Physiology, Academic Medical Center, Amsterdam, The Netherlands;3. Department of Obstetrics and Gynecology, VU University Medical Center, Amsterdam, The Netherlands;4. Department of Obstetrics and Gynecology, University Medical Center Utrecht, Utrecht, The Netherlands;5. Department of Obstetrics, Leiden University Medical Center, Leiden, The Netherlands |