1. a MS in Oral Biology candidate, Graduate School, University of Louisville School of Dentistry, Louisville, Ky
2. b Professor, Department of Surgical/Hospital Dentistry, University of Louisville School of Dentistry, Louisville, Ky
3. c Professor, Department of Diagnostic Sciences, Prosthetic and Restorative Dentistry, University of Louisville School of Dentistry, Louisville, Ky
4. d Professor, Department of Orthodontic and Pediatric Dentistry, University of Louisville School of Dentistry, Louisville, Ky