[1] Ctr Leon Berard, Med Oncol, Lyon, France
[2] Hop Europeen Georges Pompidou, AP HP, Digest Oncol, Paris, France
[3] Hop St Antoine, Med Oncol, Paris, France
[4] Ctr Eugene Marquis, Digest Oncol, Rennes, France
[5] CHU Poitiers, Jean Bernard Hop, Gastroenterol & Digest Oncol, Poitiers, France
[6] Inst Mutualiste Montsouris, Med Oncol, Paris, France
[7] Gh Diaconesses Croix St Simon, Med Oncol, Paris, France
[8] Hop Nord St Priest Jarez, Gastroenterol & Digest Oncol, St Priest En Jarez, France
[9] ICM Inst Canc Montpellier, Med Oncol, Montpellier, France
[10] CHU Claude Huriez, Digest Surg, Lille, France
[11] CHU Amiens Picardie, Gastroenterol & Digest Oncol, Amiens, France
[12] CHU Clermont Ferrand Site Estaing, Med Oncol, Clermont Ferrand, France
[13] ICANS Inst Cancerol Strasbourg Europe, Med Oncol, Strasbourg, France
[14] Ctr Anticancer Antoine Lacassagne, GI Oncol, Nice, France
[15] IPC Inst Paoli Calmettes, Med Oncol, Marseille, France
[16] Ctr Leon Berard, Clin Res, Lyon, France
[17] CHU Besancon, Pathol, Besancon, France
[18] Ctr Leon Berard, Biostat, Lyon, France
[19] Ctr Leon Berard, Digest Oncol, Lyon, France