1. From the Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT (J.-D.K., Y.K., I.P., H.K., J.W., H.P., E.N., H.J.C., S.-W.J.); Department of Life Systems, Sookmyung Women’s University, Seoul, Korea (J.K.); and Department of Medicine, Stanford University, School of Medicine, CA (S.G.R.).