COXEN
SWOG Cancer Research Network
SWOG Cancer Research Network
Dana-Farber Cancer Institute
European Organisation for Research and Treatment of Cancer - EORTC
Alliance for Clinical Trials in Oncology
National Cancer Institute (NCI)
Dartmouth-Hitchcock Medical Center
National Cancer Institute (NCI)
Memorial Sloan Kettering Cancer Center
Memorial Sloan Kettering Cancer Center
Memorial Sloan Kettering Cancer Center
M.D. Anderson Cancer Center
University of Kentucky
European Organisation for Research and Treatment of Cancer - EORTC