1. Department of Gynecology and Obstetrics; University Breast Center for Franconia, Erlangen University Hospital, Germany, Friedrich Alexander University of Erlangen-Nuremberg, Comprehensive Cancer Center Erlangen-EMN; Erlangen Germany
2. Biostatistics Unit, Department of Gynecology and Obstetrics; Erlangen University Hospital; Erlangen Germany
3. Division Hematology/Oncology, Department of Medicine, David Geffen School of Medicine; University of California at Los Angeles; Los Angeles CA
4. Institute of Radiology, Erlangen University Hospital, Friedrich Alexander University of Erlangen-Nuremberg, University Breast Center for Franconia, Comprehensive Cancer Center Erlangen-EMN; Erlangen Germany
5. Institute of Pathology, Erlangen University Hospital, Friedrich Alexander University of Erlangen-Nuremberg, Comprehensive Cancer Center Erlangen-EMN; Erlangen Germany
6. Division of Epidemiology, Department of Health Sciences Research; Mayo Clinic; Rochester MN