Servicio de Oncología Médica, Hospital Universitario Virgen Macarena, Avenida Doctor Fedriani 3, 41071, Seville, Spain. lucme12@yahoo.es. Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy. Aix-Marseille University, Hôpital de la Timone, Marseille, France. Ospedale Monaldi, Naples, Italy. Royal Marsden NHS Foundation Trust, London, UK. Peter MacCallum Cancer Centre, East Melbourne, VIC, Australia. University of Melbourne, Parkville, VIC, Australia. Jonsson Comprehensive Cancer Center at the University of California, Los Angeles, CA, USA. Istituto Nazionale Tumori Fondazione G. Pascale, Naples, Italy. Beatson West of Scotland Cancer Centre, University of Glasgow, Glasgow, UK. Servicio de Oncología Médica, Hospital Universitario Virgen Macarena, Avenida Doctor Fedriani 3, 41071, Seville, Spain. Genentech, Inc., South San Francisco, CA, USA. Nantes University, Nantes, France.