1. Department of Clinical Investigation Harvard Medical School Boston Massachusetts USA
2. Ministry of Health and Population Cairo Egypt
3. Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health Baltimore Maryland USA
4. Division of Oral Medicine and Dentistry Brigham and Women's Hospital/Dana Farber Cancer Institute Boston Massachusetts USA
5. Department of Oral Medicine, Infection and Immunity Harvard School of Dental Medicine Boston Massachusetts USA
6. Primary Endpoint Solutions, LLC Waltham Massachusetts USA