1. Division of Nephrology, Hypertension and Renal Transplantation; University of Florida College of Medicine; Gainesville Florida
2. Renal Division; Tulane University College of Medicine; New Orleans Louisiana
3. Department of Physiology & Biomedical Engineering and Nephrology & Hypertension; Mayo Clinic College Of Medicine; Rochester Minnesota
4. Nephrology and Hypertension Section; North Florida/South Georgia Veterans Health System; Gainesville Florida