1. Maine Medical Center Research Institute, Maine Medical Center
2. West China Hospital of Stomatology, Sichuan University
3. Division of Bone and Mineral Research, Dept of Oral Medicine, Infection and Immunity, Harvard School of Dental Medicine
4. Harvard Medical School, Department of Medicine and Endocrine Unit, Massachusetts General Hospital
5. Graduate Medical Sciences, Boston University School of Medicine
6. University of New England, College of Osteopathic Medicine