1. Jackson Heart Study; Jackson State University; Jackson MS USA
2. Department of Medicine; Division of Nephrology; Medical University of South Carolina; Charleston SC USA
3. Medical Services; Ralph H. Johnson VA Medical Center; Charleston SC USA
4. Division of Nephrology; Kidney Research Institute; University of Washington; Seattle WA USA
5. Jackson Heart Study; University of Mississippi Medical Center; Jackson MS USA
6. National Institute of Diabetes, Digestive, and Kidney Diseases; Bethesda MD USA
7. Veterans Affairs Puget Sound Health Care Center; Seattle WA USA