1. From the University of Alabama at Birmingham (J.L.G., M.I.A., M.M., M.A.F., V.B., I.B.A., A.A.), Birmingham, AL; Lehigh Valley Hospital (R.V.D.), Allentown, PA; University of California (G.C.F., O.J.E.), Los Angeles, CA; Meharry Medical College (O.J.E.), Nashville, TN; Montreal Heart Institute (M.W.), Montreal, Quebec, Canada; New York Medical College (W.S.A.), Valhalla, NY; Case Western Reserve University (T.E.L.), Cleveland, OH; University of Chicago (G.L.B.), Chicago, IL; National Institute on...