1. Institute of Pathology, Technical University of Munich; Munich Germany
2. German Cancer Consortium (DKTK); Heidelberg Germany
3. Institute of Pathology, University Hospital Erlangen; Erlangen Germany
4. Institute of Pathology, University Hospital Heidelberg; Heidelberg Germany
5. Department of Gynecology and Obstetrics; Technical University of Munich; Munich Germany
6. Department of Gynecology and Obstetrics; Erlangen University Hospital, Friedrich-Alexander-University Erlangen-Nuremberg, Comprehensive Cancer Center Erlangen-EMN; Erlangen Germany