1. From Icahn School of Medicine at Mount Sinai, New York, NY (V.Y.R., S.R.D.); Homolka Hospital, Prague, Czech Republic (P.N.); Texas Cardiac Arrhythmia Institute, Austin (A.N.); Clinique Pasteur, Toulouse, France (J.-P.A.); Institute for Clinical and Experimental Medicine–IKEM, Prague, Czech Republic (J.K.); University Hospitals of Geneva, Switzerland (D.S.); Brigham and Women’s Hospital, Boston, MA (G.M.); Medical University of South Carolina, Charleston (M.W.); St. Jude Medical Inc, St. Paul, MN (D...