1. From the Department of Medicine, Memorial Sloan Kettering Cancer Center, Weill Cornell Medical Center, New York (V.M.); the European Institute of Oncology IRCCS, University of Milan–Bicocca, Milan (N.C.), Istituto Nazionale Tumori IRCCS–Fondazione G. Pascale, Naples (S.P.), and Fondazione Policlinico Universitario Agostino Gemelli IRCCS and Catholic University of the Sacred Heart, Rome (D.L.) — all in Italy; San Carlos University Teaching Hospital (A.C.H.) and Hospital Universitario Ramón y Cajal (E.M.G....