1. Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, Ann Arbor, MI, USA
2. Department of Pathology, Medical School, University of Michigan, Ann Arbor, MI, USA
3. IADR Global Headquarters Office, Alexandria, VA, USA
4. Department of Craniofacial Sciences, School of Dental Medicine, University of Connecticut Health Center, Farmington, CT, USA
5. Biostatistics, School of Public Health, University of Michigan, Ann Arbor, MI, USA