[1] F Hoffmann La Roche Ltd, RWD Oncol, Basel, Switzerland
[2] Ist Nazl Tumori Regina Elena, Oncol Med, Rome, Italy
[3] Genentech Inc, RWD Oncol, San Francisco, CA 94080 USA
[4] F Hoffmann La Roche Ltd, RWD Oncol, Welwyn Garden City, Herts, England
[5] F Hoffmann La Roche Ltd, Med Affairs Oncol, Global Prod Dev, Basel, Switzerland
[6] Candiolo Canc Inst, Day Hosp Oncol Multidisciplinare, Candiolo, Italy