1. Department of Gynaecology and Obstetrics, Ludwig-Maximilians University of Munich, 80337 Munich, Germany
2. Institut de Recherche en Cancérologie de Montpellier (IRCM), INSERM U1194, Université Montpellier, F-34298 Montpellier, France
3. Université Toulouse III - Paul Sabatier, F-31062 Toulouse, France
4. Department of Pathology, Ludwig-Maximilians University of Munich, 81337 Munich, Germany