1. From the Departments of Neurology (R.M.L.), Psychiatry (P.A.S.), Biostatistics (M.K.P.), and Surgery (L.G., A.T., Y.N.), Columbia University College of Physicians and Surgeons, New York, NY; the Advanced Heart Failure and Cardiac Transplant Program (B.E.J., W.D.), Sharp Memorial Hospital, San Diego, Calif; the Division of Cardiovascular Disease (R.C.B.), University of Alabama at Birmingham; the Department of Bioengineering (J.T.W.), University of California San Diego; Thoratec Corp, Pleasanton,...