[1] Univ Med Ctr Utrecht, Dept Med Oncol, Utrecht, Netherlands
[2] Dept Med Oncol, Hosp Univ Doce Octubre Imas12, UCM, Madrid, Spain
[3] Clin Canc Ctr Azienda USL, Med Oncol, Reggio Emilia, Italy
[4] Univ Tubingen, Akad Lehrkrankenhaus, Klinikum Freudenstadt, Freudenstadt, Germany
[5] Szent Laszlo Hosp, Dept Oncol, Budapest, Hungary
[6] Inst Canc St Catherine Avignon Provence, GI & Liver Oncol Unit, Avignon, France
[7] Ctr Hosp Boulogne, Oncol Digest, Boulogne Sur Mer, France
[8] Mediterranean Inst Oncol, Med Oncol Unit, Catania, Italy
[9] Univ Hosp Puerta Hierro, Med Oncol, Madrid, Spain
[10] Complexo Hosp Univ Ourense, Dept Med Oncol, Orense, Spain
[11] Inst Alexander Fleming, Dept Clin Oncol, Buenos Aires, DF, Argentina
[12] Servier, Servier Med Affairs, Boston, MA USA
[13] Servier, Servier Med Affairs, Suresnes, France
[14] Christie NHS Fdn Trust, Dept Med Oncol, Manchester, Lancs, England
[15] Sorbonne Univ, Serv Hepatogastroenterol, Paris, France