1. From the Departments of Anesthesia (D.D., P.G., F.S., H.Z., T.H., M.R., A.L., J.K., P.A.), Medicine (D.D., P.M.C., P.G., F.S., H.Z., T.H., M.R., J.M.C., F.G.W., M.M.G., A.L., J.K., M.A.P., P.A.), Surgery (R.P.G.), and Pathology (R.N.M.), Brigham and Women's Hospital, Harvard Medical School, Boston, MA; and Department of Cardiothoracic Surgery (C.F.), Montefiore Medical Center, Albert Einstein College of Medicine, New York.