1. Division of Periodontics; James B. Edwards College of Dental Medicine; Medical University of South Carolina; Charleston SC USA
2. Division of Endocrinology, Diabetes and Medical Genetics; Department of Medicine; College of Medicine; Medical University of South Carolina; Charleston SC USA
3. Center for Oral Health Research; James B. Edwards College of Dental Medicine; Charleston SC USA
4. Ralph H. Johnson Veterans Affairs Medical Center; Charleston SC USA