1. Pediatric Dentistry Resident Department of Pediatric Dentistry, College of Dentistry Howard University, Washington, DC 20059, USA
2. Greater Washington Dentistry, 3700 Joseph Siewick Drive, Fairfax, VA 22033, USA
3. Department Oral and Maxillofacial Pathology, College of Dentistry Howard University, Washington, DC 20059, USA