1. Institute for Health Care & Public Management, University of Hohenheim, Fruwirthstr. 48, Stuttgart 70599, Germany
2. University of Sharjah, College of Health Sciences, University City, Sharjah, P.O. Box 27272, United Arab Emirates
3. Economics & Health Management, Strategic Council at National Research Network for Policy Making, Tehran, Iran
4. Health Economics Association of Iran, Tehran, Iran