1. Gene Therapy and Therapeutics Branch, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD 20892
2. Department of Diagnostic Sciences and Pathology, Dental School, University of Maryland, Baltimore, MD 21201
3. Diabetes Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892
4. Division of Clinical Immunology and Rheumatology, Academic Medical Center, University of Amsterdam, 1100 DD Amsterdam, The Netherlands