1. Departments of Surgery and Physiology/Pharmacology, Wake Forest School of Medicine, Winston Salem, NC
2. Vascular Biology and Hypertension Branch, Division of Cardiovascular Sciences, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD
3. Department of Physiology, Tulane University Health Science Center, New Orleans, LA
4. Hypertension Section, Ochsner Clinic Foundation, New Orleans, LA
5. The John Ochsner Heart and Vascular Institute, Ochsner Clinic Foundation, New Orleans, LA