1. From the University of Milano–Bicocca (G.M.), the National Center of Healthcare Research and Pharmacoepidemiology (F.R., G.C.) and the Unit of Biostatistics, Epidemiology, and Public Health, Department of Statistics and Quantitative Methods (F.R., G.C.), University of Milano–Bicocca, Azienda Regionale per l’Innovazione e gli Acquisti (M.L.), and Fondazione IRCCS Istituto Nazionale dei Tumori (G.A.), Milan, and Policlinico di Monza, Monza (G.M.) — all in Italy.