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.