Nadia Harbeck1, Christoph Thomssen2, Michael Gnant3. 1. Breast Center, OB&GYN Department and CCCLMU, LMU University Hospital, Munich, Germany. 2. Universitätsfrauenklinik, Martin-Luther-Universität Halle-Wittenberg, Halle/Saale, Germany. 3. Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria.