PREACT
Shanghai Cancer Hospital, China
Shanghai Cancer Hospital, China
Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
European Organisation for Research and Treatment of Cancer - EORTC
Australasian Gastro-Intestinal Trials Group
The Netherlands Cancer Institute
University Hospital, Bordeaux
Sohag University
Saint Vincent's Hospital, Korea
Chinese PLA General Hospital
Gulhane Training and Research Hospital
Marmara University
Chinese PLA General Hospital
Kocaeli Derince Education and Research Hospital
St. James's Hospital, Ireland
Peking University
University of Bologna
Nagasaki University
West China Hospital
Japan Clinical Oncology Group
Japan Clinical Oncology Group
National Cancer Center, Korea
First Affiliated Hospital, Sun Yat-Sen University
Yonsei University
SWOG Cancer Research Network