1. University of North Carolina at Chapel Hill (UNC-CH), Departments of Pediatrics and Genetics; Chapel Hill North Carolina
2. Duke Children's Hospital and Health Center, Division of Plastic, Maxillofacial, & Oral Surgery; Durham North Carolina
3. UNC-CH School of Dentistry, Department of Dental Ecology; Chapel Hill North Carolina
4. North Carolina State Center for Health Statistics, North Carolina Birth Defects Monitoring Program; Raleigh North Carolina
5. UNC-CH, Center for Health Promotion and Disease Prevention; Chapel Hill North Carolina