1. From the Section of Cardiology, Department of Lung, Blood, and Heart (L.C., P.J.S.), and Department of Heath Sciences (M.C.M.), University of Pavia, Pavia, Italy; Department of Cardiology (L.C., P.J.S.) and Molecular Cardiology Laboratory (L.C., R.I., P.J.S.), IRCCS Fondazione Policlinico San Matteo, Pavia, Italy; Division of Statistical Genetics, Department of Biostatistics, Mailman School of Public Health, and Psychiatry Department, Columbia University Medical Center, New York, NY (M.C.M., D.A.G....