1. Department of Periodontology; School of Dentistry; University of North Carolina at Chapel Hill; Chapel Hill NC
2. Center for Oral and Systemic Diseases; School of Dentistry; University of North Carolina at Chapel Hill
3. Department of Biostatistics; Gillings School of Global Public Health; University of North Carolina at Chapel Hill
4. Department of Dental Ecology; School of Dentistry; University of North Carolina at Chapel Hill
5. Department of Pediatric Dentistry; School of Dentistry; University of North Carolina at Chapel Hill
6. Department of Epidemiology; Gillings School of Global Public Health; University of North Carolina at Chapel Hill