1. Department of Oral Medicine and Diagnostic Sciences University of Illinois at Chicago College of Dentistry Chicago Illinois USA
2. Department of Allied Health Eugenio Maria de Hostos Community College Bronx New York USA
3. Department of Restorative Rutgers School of Dental Medicine Newark New Jersey USA
4. Division of Pediatric Dentistry and Orthodontics Cincinnati Children's Hospital Medical Center Cincinnati Ohio USA
5. Department of Pediatrics University of Cincinnati College of Medicine Cincinnati Ohio USA