[1] Evangeliches Krankenhaus Bethesda Klin, Breast Ctr, Monchengladbach, Germany
[2] West German Study Grp, Senol, Monchengladbach, Germany
[3] MHH, Pathol, Hannover, Germany
[4] Kliniken Essen Mitte Evang Huyssens Stiftung, Breast Unit, Essen, Germany
[5] St Elisabeth Clin Hohenlind, Breast Ctr, Cologne, Germany
[6] Palleos GmbH, Stat, Wiesbaden, Germany
[7] Univ Hosp Tubingen, Ctr Womens Hlth, Tubingen, Germany
[8] Niels Stensen Kliniken GmbH, Franziskus Hosp Harderberg, Oncol Dept, Georgsmarienhutte, Germany
[9] Onkol Schwerpunkt Praxis, Oncol, Greifswald, Germany
[10] Johanniter Bethesda Moenchengladbach, Breast Ctr Niederrhein, Monchengladbach, Germany
[11] Oncol Ctr Spandau, Oncol, Berlin, Germany
[12] LMU Klinikum Univ Munchen, Breast Ctr, Munich, Germany
[13] Westdeutsch Studiengrp GmbH, Senol, Monchengladbach, Germany
[14] Westdeutsch Studiengrp GmbH, Breast Ctr Dept, Monchengladbach, Germany
[15] LMU Klinikum Univ Munchen, Breast Ctr Dept, Munich, Germany
[16] LMU Univ Hosp, Dept Obstet & Gynecol, Breast Ctr, Munich, Germany