[1] Inst Gustave Roussy, Dept Med, Villejuif, France
[2] Inst Gustave Roussy, Serv Med Gard, Villejuif, France
[3] Hop La Pitie Salpetriere, Dept Med Oncol, Paris, France
[4] Johnson & Johnson, Dept Oncol, High Wycombe, Bucks, England
[5] Inst Curie, Paris, France