1. Health Economics, Management and Policy Department, Virtual School of Medical Education & Management, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
2. Department of Economics, School of Economics and Political Sciences, Shahid Beheshti University, Tehran, Iran.
3. Department of Health Management & Economics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
4. National Institute of Health Research, Tehran University of Medical Sciences, Tehran, Iran.
5. Health Services Management Research Center, Institute for Futures Studies in Health, Kerman University of Medical Sciences, Kerman, Iran.