[1] Gustave Roussy, Villejuif, France
[2] Inst Canc Montpellier, Biometr Dept, Montpellier, France
[3] Ctr Antoine Lacassagne, Dept Med Oncol, F-06054 Nice, France
[4] Hosp Univ Robert Debre, Reims, France
[5] Inst Cancerol Ouest, Nantes, France
[6] Ctr Georges Francois Leclerc, Dijon, France
[7] Ctr Leon Berard, F-69373 Lyon, France
[8] CHU Minjoz, Med Oncol Unit, Besancon, France
[9] Digest Oncol CRLC Val dAurelle, Montpellier, France
[10] Ctr Hosp Univ Pitie Salpetriere, Paris, France
[11] Inst Paoli Calmette, Serv Oncol Med, Marseille, France
[12] Curie Rene Huguenin, St Cloud, France
[13] Ctr Hosp Prive St Gregoire, St Gregoire, France
[14] Hop St Antoine, F-75571 Paris, France
[15] Marseille Univ Hosp, Marseille, France
[16] Polyclin Bordeaux Nord Aquitaine, Bordeaux, France
[17] Hop Avicenne, Assistance Publ Hop Paris, F-93009 Bobigny, France
[18] Hop St Joseph, Marseille, France
[19] ICM Montpellier Canc Inst, CTD INCa, Biostat Unit, Montpellier, France
[20] APHP, Paris, France
[21] Paris Descartes Univ, Paris, France