1. From the Division of Cardiovascular Diseases, University of Iowa Carver College of Medicine, Iowa City, IA (W.K., P.A.H.); Department of Cardiovascular Diseases, Saint Luke’s Mid America Heart Institute, Kansas City, MO (Y.L., P.G.J., M.S.A., J.A.S.); Department of Cardiovascular Diseases, Washington University, St Louis, MO (S.C.); Department of Cardiovascular Diseases, Henry Ford Hospital, Detroit, MI (D.E.L.); Department of Cardiovascular Diseases, VA Eastern Colorado Health Care System, Denver,...