1. From the Vall d'Hebron Institute of Oncology, Vall d'Hebron University Hospital, Barcelona, Spain; British Columbia Cancer Agency, Vancouver, British Columbia; Ottawa Regional Cancer Center, Ottawa, Ontario, Canada; The Christie, Manchester; Mount Vernon Cancer Centre, Middlesex; Roche Products Limited, Welwyn, United Kingdom; Divisione di Oncologia Medica, University Hospital, Modena; Oncologia Medica, Milan, Italy; and Centre Georges-François-Leclerc, Dijon, France.