1. Medical Ethics and History of Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran.
2. Osteoporosis Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.
3. Head of Imaging Center, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran.
4. Department of Epidemiology, Center for Academic and Health Policy, and Knowledge Utilization Research Center, Tehran University of Medical Sciences, Tehran, Iran.