1. From the Cardiovascular Research Foundation and Lenox Hill Heart and Vascular Institute, New York, NY (A.J.L., R.A.C., G.S.M., Y.T., E.C., G.W.S., M.B.L.); St Joseph Medical Center, Towson, Md (M.M.); Presbyterian Hospital, Charlotte, NC (D.A.C.); EMF Regional Medical Center, Elyria, Ohio (C.O.S.); Wake Forest University Baptist Medical Center, Winston-Salem, NC (R.A.A.); Michigan Cardiovascular Institute, Saginaw, Mich (L.A.C.); Minneapolis Heart Institute, Minneapolis, Minn (M.M.); Allegheny...