1. Division of Oral Oncology and Maxillofacial Prosthetics, Department of Dentistry; Erie County Medical Center; Buffalo NY
2. Division of Oral and Maxillofacial Surgery and Dental Medicine, Department of Surgery; Loyola University Medical Center; Maywood IL
3. Private Practice; Seneca SC
4. Dental Service, Department of Surgery; Memorial Sloan Kettering Cancer Center; New York NY