[1] British Columbia Canc Agcy, Vancouver Isl Ctr, INRWG, Dept Radiat Oncol, Victoria, BC V8R 6V5, Canada
[2] Univ Hosp Geneva, Dept Gynecol & Obstet, Div Gynecol, Senol & Surg Gynecol Oncol Unit, Geneva, Switzerland
[3] Univ Arizona, Tucson, AZ 85721 USA
[4] Bacs Kiskun Cty Hosp, Dept Pathol, Kecskemet, Hungary
[5] Univ Texas MD Anderson Canc Ctr, Dept Radiat Oncol, Houston, TX USA
[6] Natl Univ Singapore, Dept Epidemiol & Publ Hlth, Singapore 117548, Singapore
[7] Univ Texas MD Anderson Canc Ctr, Dept Breast Med Oncol, Breast Canc Translat Res Lab, Dept Stem Cell Transplantat & Cellular Therapy, Houston, TX USA
[8] Allan Blair Canc Ctr, Saskatoon, SK, Canada
[9] Univ No Iowa, Cedar Falls, IA 50614 USA
[10] Klinikum Heinrich Heine Univ Dusseldorf, Frauenklin, Dusseldorf, Germany
[11] Oncol Ctr UZ Brussel, Dept Radiat Oncol, Brussels, Belgium
[12] Univ New Mexico, UNM Canc Res & Treatment Ctr, Albuquerque, NM 87131 USA
[13] Geneva Canc Registry, Geneva, Switzerland
[14] Univ Texas MD Anderson Canc Ctr, Dept Med Oncol, Houston, TX USA