1. From the Cleveland Clinic, Cleveland (K.G.T., B.L.W.), and the Lindner Research Center, Cincinnati (E.S.) — both in Ohio; Valley Health System, Ridgewood (S.M.), and Lourdes Cardiology Services, Cherry Hill (D. Sholevar) — both in New Jersey; Sahlgrenska University Hospital, Göteborg, Sweden (C.K.); Duke Clinical Research Institute, Durham (R.C.), and WakeMed Heart and Vascular, WakeMed Health and Hospitals, Raleigh (M.T.S.) — both in North Carolina; University of Washington School of Medicine, Seattle ...