Tamoxifen Citrate, Letrozole, Anastrozole, or Exemestane With or Without Chemotherapy in Treating Patients With Invasive RxPONDER Breast Cancer
National Cancer Institute (NCI)
National Cancer Institute (NCI)
London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Ohio State University Comprehensive Cancer Center
Institute of Oncology Ljubljana
Memorial Sloan Kettering Cancer Center
H. Lee Moffitt Cancer Center and Research Institute
Rutgers, The State University of New Jersey
Cancer Research Antwerp
First Affiliated Hospital of Zhejiang University
Tianjin Medical University Cancer Institute and Hospital
M.D. Anderson Cancer Center
First Affiliated Hospital of Wenzhou Medical University
First Affiliated Hospital of Zhejiang University
First Affiliated Hospital of Zhejiang University
Xijing Hospital
SOLTI Breast Cancer Research Group
Hubei Cancer Hospital
First Affiliated Hospital of Zhejiang University
Japan Breast Cancer Research Group
Affiliated Hospital of Qinghai University
Xijing Hospital
National Cancer Institute, Egypt
Gustave Roussy, Cancer Campus, Grand Paris
Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
UMC Utrecht
Changhai Hospital
Dana-Farber Cancer Institute
Canadian Cancer Trials Group
Peking Union Medical College Hospital
University of Nebraska
Alliance for Clinical Trials in Oncology
Barbara Ann Karmanos Cancer Institute
Sunnybrook Health Sciences Centre
Fudan University
Mansoura University
Medstar Health Research Institute
Ruijin Hospital
Institut de Cancérologie de la Loire
Borstkanker Onderzoek Groep
Azienda Ospedaliero-Universitaria Careggi
Hospices Civils de Lyon
Institute of Cancer Research, United Kingdom
Georgetown University
National Cancer Institute (NCI)
University of California, San Francisco
Vanderbilt-Ingram Cancer Center
University of Kansas Medical Center
Yonsei University
ChineseAMS
Translational Research Center for Medical Innovation, Kobe, Hyogo, Japan