1. From the Center for Cardiac Arrhythmias of Genetic Origin, IRCCS Istituto Auxologico Italiano, Milan, Italy (P.J.S.); Department of Cardiology, Fondazione “Salvatore Maugeri”, IRCCS Istituto Scientifico di Montescano, Montescano, Pavia, Italy (M.T.L.R.); Department of Cardiology and Cardiovascular Clinical Research Center, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy (G.M.D.F.); Department of Molecular Medicine, University of Pavia, Pavia, Italy (G.M.D.F.); and Cardiovascular Division,...