1. From the Robert M. Berne Cardiovascular Research Center (X.S., C.A.R., T.C.S.K., A.S.K., Y.Y., M.E.G., A.K.B., B.E.I.), University of Virginia School of Medicine, Charlottesville
2. College of Pharmacy, Dalian Medical University, China (X.S., Y.Y.)
3. Department of Pharmacology (C.A.R., A.S.K.), University of Virginia School of Medicine, Charlottesville
4. Department of Molecular Physiology and Biophysics (T.C.S.K., B.E.I.), University of Virginia School of Medicine, Charlottesville
5. Department of Chemistry, University of Virginia, Charlottesville (L.C.).