1. Department of Veterans Affairs Medical Center, Oral Pathology Research Laboratory, Washington, DC, USA
2. Dental Service, Department of Veterans Affairs Medical Center, Oral and Maxillofacial Surgery Section, Washington, DC, USA
3. Medical Service, Department of Veterans Affairs Medical Center, Endocrinology Section, Washington, DC, USA
4. Department of Endocrinology, Medical School, George Washington University, Washington, DC, USA