1. From Northwestern University Feinberg School of Medicine, Chicago, Ill (M.G., R.O.B.); National Heart, Lung, and Blood Institute, Bethesda, Md (G.S.); European Hospital, Rome, Italy (L.D.L.); Duke University Medical Center, Durham, NC (E.J.V.); Mount Sinai Hospital, Toronto, Ontario, Canada (J.D.P.); Ohio State University, Columbus (P.F.B.); National Institute of Cardiology, Warsaw, Poland (Z.S.); Medical University of Silesia, Katowice, Poland (K.S.G.); St Vincent’s Hospital, Melbourne, Victoria,...