1. From Duke Clinical Research Institute, Durham, NC (J. Alfredsson, A.S., E.D.P., K.P.A.); Department of Cardiology and Department of Medical and Health Sciences, Linköping University, Sweden (J. Alfredsson); Duke University School of Medicine, Durham, NC (J.M.B., R.M., E.D.P., S.V., K.P.A.); Division of Cardiology, Jewish General Hospital, McGill University, Montreal, QC, Canada (J. Afilalo); University of Colorado School of Medicine, Aurora (J.S.R.); Massachusetts General Hospital, Boston (D.S.);...