[1] CHU Pitie Salpetriere, Paris, France
[2] CH Edouard Herriot, Lyon, France
[3] Societe Francaise Endoscopie Digest, Toulouse, France
[4] CH Font Pre, Toulon, France
[5] Clin Porte St Cloud, Boulogne, France
[6] CHU Jean Minjoz, Besancon, France
[7] Inst Paoli Calmettes, Marseille, France
[8] Inst Curie, Paris, France
[9] Roche Oncol, Seine, France
[10] CH Avicenne, Bobigny, France