1. Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
2. Department of Psychology, West Virginia University, Morgantown, WV, USA
3. Department of Dental Public Health and Professional Practice, School of Dentistry, West Virginia University, Morgantown, WV, USA
4. Medical Research Council Integrative Epidemiology Unit, Bristol Medical School, Bristol, UK
5. Bristol Dental School, University of Bristol, Bristol, UK
6. Department of Oral Health Sciences, University of Washington School of Dentistry, Seattle, WA, USA
7. Department of Dental Public Health, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, USA
8. Department of Periodontics, School of Dentistry, West Virginia University, Morgantown, WV, USA
9. Center for Molecular and Clinical Epidemiology of Infectious Diseases, Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, MI, USA
10. The Clinical and Translational Science Institute, University of Pittsburgh, Pittsburgh, PA, USA
11. Avon Longitudinal Study of Parents and Children, University of Bristol, Bristol, UK
12. Center for Craniofacial and Dental Genetics, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, USA
13. Department of Oral and Craniofacial Sciences, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, USA