1. From the Cardiovascular Research Center, and Cardiology Division, Massachusetts General Hospital, Boston (D.J.M., A.M.K., J.R.W., I.L.J., K.M.S., R.T.P., C.A.M.); Department of Human Genetics, Helmholtz Center Munich, Germany National Research Center for Environmental Health, Neuherberg, and Department of Human Genetics, Technical University Munich, Munich, Germany (A.P.); QTSCD Consortium (A.P., S.S., D.E.A., A.C., S.K.); Istituto di Neurogenetica e Neurofarmacologia, CNR, Monserrato, Cagliari,...