Wallner C1, Maas C2, Bonsing B3, Dabhoiwala N4, van de Velde C3, Lamers W1, DeRuiter M5
1. Department of Anatomy & Embryology, Academic Medical Center, Amsterdam, The Netherlands, 2. Department of Gynaecology, Leiden University Medical Centre, Leiden, the Netherlands, 3. Department of Surgery, Leiden University Medical Centre, Leiden, the Netherlands, 4. Department of Urology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands, 5. Department of Anatomy, Leiden University Medical Centre, Leiden, the Netherlands