1. From the Department of Cardiology, University Medical Center Groningen, University of Groningen, The Netherlands (V.M.v.D., A.A.V.); Duke Clinical Research Institute, Duke University Medical Center, Durham, NC (A.F.H., A.S., V.H., C.M.O., R.C.S.); Mazankowski Alberta Heart Institute, Edmonton, Canada (J.A.E.); Duke Translational Medicine Institute, Durham, NC (R.M.C.); University of Maryland Hospital, Division of Cardiology, Baltimore, MD (S.S.G.); Cleveland Clinic Foundation, Cleveland, OH (W.H.W.T...