BATTMAN
Canadian Cancer Trials Group
Canadian Cancer Trials Group
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
Children's Oncology Group
Children's Oncology Group
SWOG Cancer Research Network
Surgical Outcomes Research Centre (SOuRCe)
Canadian Cancer Trials Group
Canadian Cancer Trials Group
SWOG Cancer Research Network
SWOG Cancer Research Network
Proton Collaborative Group
Australasian Gastro-Intestinal Trials Group
Australasian Gastro-Intestinal Trials Group
AIDS Malignancy Consortium
Cancer Trials Ireland
Cancer Trials Ireland
European Organisation for Research and Treatment of Cancer - EORTC
Surgical Outcomes Research Centre (SOuRCe)
Italian Association Neuroendocrine Tumors
Nikomed Medical Center