1. Department of Medical Ethics, School of Medicine Tehran University of Medical Sciences Tehran Iran
2. Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute Tehran University of Medical Sciences Tehran Iran
3. Medical Ethics and History of Medicine Research Center Tehran University of Medical Sciences Tehran Iran
4. Dental Research Center, Dentistry Research Institute Tehran University of Medical Sciences Tehran Iran
5. Department of Endodontics, School of Dentistry Tehran University of Medical Sciences Tehran Iran
6. Department of Oral and Maxillofacial Surgery, school of Dentistry Tehran University of Medical Sciences Tehran Iran
7. Health Professions Education Research Center, School of Medicine Tehran University of Medical Sciences Tehran Iran