1. Endocrine Unit and
2. Center of Regenerative Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA;
3. Harvard School of Dental Medicine, Boston, MA;
4. Department of Oral Biology, University of Missouri at Kansas City, Kansas City, MO;
5. Department of Biomedical Sciences, Texas A&M Health Science Center, Baylor College of Dentistry, Dallas, TX; and
6. Metabolic Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD