[1] Sorbonne Univ, St Antoine Hosp, AP HP, Dept Med Oncol, Paris, France
[2] Fdn ARCAD Aide & Rech CAncerol Digest, Stat Unit, Levallois Perret, France
[3] Mayo Clin, Rochester, MN USA
[4] Franco British Hosp, Dept Med Oncol, Fdn Cognacq Jay, Levallois Perret, France
[5] Natl Canc Ctr Hosp East, Dept Gastroenterol & Gastrointestinal Oncol, Kashiwa, Japan
[6] Monash Univ, Sch Publ Hlth & Prevent Med, Melbourne, Vic, Australia
[7] Alfred Hlth, Dept Med Oncol, Alfred, Vic, Australia
[8] Cardiff Univ, Cardiff, Wales
[9] Velindre Canc Ctr, Cardiff, Wales
[10] Univ Pisa, Dept Translat Res & New Technol, Pisa, Italy
[11] Univ Hosp Leuven, Dept Gastrointestinal & Liver Dis, Digest Oncol Unit, Leuven, Belgium
[12] Katholieke Univ Leuven, Leuven, Belgium
[13] Ludwig Maximilians Univ Munchen, Univ Hosp, Dept Med 3, Munich, Germany
[14] Vall Hebron Univ Hosp, Barcelona, Spain
[15] Vall Hebron Inst Oncol VHIO, Barcelona, Spain
[16] Amsterdam UMC, Canc Ctr Amsterdam, Dept Med Oncol, Amsterdam, Netherlands
[17] Asklepios Tumorzentrum Hamburg, Asklepios Klin Altona, Hamburg, Germany
[18] Duke Univ, Durham, NC USA
[19] Integrated Ctr Oncol Nantes, Med Oncol Dept, Nantes, France
[20] Univ Calif San Francisco, Dept Med, San Francisco, CA USA
[21] Mem Sloan Kettering Canc Ctr, New York, NY USA
[22] Univ Oxford, MRC Oxford Inst Radiat Oncol, Oxford, England
[23] Franco British Hosp, Dept Med Oncol, Levallois Perret, France