[1] Heidelberg Univ, Med Ctr, Heidelberg, Germany
[2] Univ Calif Los Angeles, Los Angeles, CA USA
[3] Saitama Med Univ, Int Med Ctr, Saitama, Japan
[4] Princess Margaret Hosp, Toronto, ON M4X 1K9, Canada
[5] Royal Marsden NHS Fdn Trust, London, England
[6] Reg Canc Ctr Stockholm, Stockholm, Sweden
[7] Umea Univ Hosp, Stockholm, Sweden
[8] F Hoffmann La Roche Ltd, Basel, Switzerland
[9] Aix Marseille Univ, CHU Timone, AP HM, Serv Neurooncol, Marseille, France