1. Oral and Maxillofacial Diseases Research Center Mashhad University of Medical Sciences Mashhad Iran
2. General Dentist Mashhad Iran
3. Cancer Research Center Mashhad University of Medical Sciences Mashhad Iran
4. Surgical Oncology Research Center Mashhad University of Medical Sciences Mashhad Iran
5. Social Determinants of Health Research Center Mashhad University of Medical Sciences Mashhad Iran