1. NewYork-Presbyterian Hospital/Columbia University Medical Center (E.F., H.M.R., F.G., A.J.K., S.A.P., M.A.P., J.W.M., D.K., O.B.-Y., M.B.L., A.M., Z.A.A.).
2. Cardiovascular Research Foundation, New York, NY (E.S., F.G., M.M., A.J.K., S.A.P., M.A.P., J.W.M., D.K., O.B.-Y., M.B.L., A.J., R.A.S., G.W.S., A.M., G.S.M., Z.A.A.).
3. St Francis Hospital, Roslyn, NY (G.P., A.J., Z.A.A.).
4. MedStar Washington Hospital Center, DC (E.S.).
5. The Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, NY (G.W.S.).
6. Division of Cardiology, School of Medicine, University of California-San Diego (E.M.).