1. Oral Health Services Research Core; School of Dentistry; Virginia Commonwealth University; Richmond VA
2. Department of Gastroenterology and Hepatology; University of North Carolina at Chapel Hill; Chapel Hill NC
3. Department of Biostatistics; University of North Carolina at Chapel Hill; Chapel Hill NC
4. Department of Periodontology; University of North Carolina at Chapel Hill; Chapel Hill NC
5. Department of Laboratory Medicine and Pathology; University of Minnesota; Minneapolis MN
6. Department of Psychology; University of Maryland; Baltimore County Baltimore MD
7. Department of Public Health Sciences; University of Miami Miller School of Medicine; Miami FL
8. College of Dental Medicine; Nova Southeastern University; Ft. Lauderdale FL
9. Department of Medicine; Loyola University Medical Center; Maywood IL
10. Department of Epidemiology; University of North Carolina at Chapel Hill; Chapel Hill NC
11. Department of Dental Ecology; University of North Carolina at Chapel Hill; Chapel Hill NC