1. Department of Obstetrics and Gynaecology, Ludwig-Maximilians-University of Munich, Munich, Germany
2. Department of Legal Medicine, Ludwig-Maximilians-University of Munich, Munich, Germany
3. Department of Obstetrics and Gynaecology, Medical School, University of Crete, Heraklion, Greece
4. Department of Pathology, Ludwig-Maximilians-University of Munich, Munich, Germany