1. From the Department of Medical Oncology, Royal Marsden Hospital, London (J.L.), and South West Wales Cancer Institute, Singleton Hospital, Swansea (J.W.) — both in the United Kingdom; Melanoma Oncology Unit, Veneto Region Oncology Research Institute, Padua (V.C.-S.), Oncology of Melanoma Unit, European Institute of Oncology, Milan (P.F.F.), University Hospital of Siena, Siena (M.M.), and Istituto Nazionale Tumori Fondazione Pascale, Naples (P.A.A.) — all in Italy; Division of Medical Oncology, University...