[1] City Hope Natl Med Ctr, Duarte, CA USA
[2] Rutgers Canc Inst New Jersey, New Brunswick, NJ USA
[3] Oxford Univ Hosp NHS Trust, Oxford, England
[4] Hosp Clin Barcelona, Barcelona, Spain
[5] F Hoffmann La Roche Ltd, Basel, Switzerland
[6] Roche Prod Ltd, Welwyn Garden City, Herts, England