1. Oral and Maxillofacial Pathology; Department of General Dentistry; Creighton University School of Dentistry; Omaha; NE; USA
2. Oral and Maxillofacial Surgery; New Port Ritchey; FL; USA
3. Department of Oral and Maxillofacial Diagnostic Sciences; University of Florida College of Dentistry; Gainesville; FL; USA