1. From William Beaumont Hospital, Royal Oak, Mich (H.M.S., C.L.G., S.R.D.); the Cardiovascular Research Foundation, New York, NY (G.W.S., R.M., A.J.L., M.F.); Mid Carolina Cardiology, Charlotte, NC (D.A.C.); Hospital Gregorio Maranon, Madrid, Spain (E.G.); Duke Clinical Research Institute, Durham, NC (J.E.T.); Virginia Beach General Hospital, Virginia Beach, Va (J.J.G.); Moses Cone Memorial Hospital, Greensboro, NC (T.D.S.); Center for Cardiac and Vascular Research, Tacoma Park, Md (M.T.); and the...