1. Department of Epidemiology; Graduate School of Public Health; University of Pittsburgh; Pittsburgh Pennsylvania
2. Center for Craniofacial and Dental Genetics; Department of Oral Biology; School of Dental Medicine; University of Pittsburgh; Pittsburgh Pennsylvania
3. Department of Human Genetics; Graduate School of Public Health; University of Pittsburgh; Pittsburgh Pennsylvania
4. Department of Obstetrics, Gynecology, and Reproductive Sciences; School of Medicine; University of Pittsburgh; Pittsburgh Pennsylvania
5. Magee-Womens Research Institute; Pittsburgh Pennsylvania