[1] J. A. Haley Vet. Hosp. Res. Service, Department of Internal Medicine, Univ. of S. Florida Coll. of Med., Tampa, FL 33612, United States
[2] Hypertension-Endocrine Branch, NHLBI, Bethesda, MD 20892, United States
[3] Laboratory of Medicinal Chemistry, Division of Basic Sciences, National Institutes of Health, Bethesda, MD 20892, United States
[4] Research Service (VAR 151), J. A. Haley Veterans Hospital, 13000 Bruce B. Downs Blvd., Tampa, FL 33612, United States