1. Department of Surgery, Leiden University Medical Center, Leiden, The Netherlands
2. Department of Gynaecology, Leiden University Medical Center, Leiden, The Netherlands
3. Department of Urology, Leiden University Medical Center, Leiden, The Netherlands
4. Department of Radiology, Division of Hematology/Oncology, Beth Israel Deaconess Medical Center, Boston, Massachusetts
5. Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts