1. Health Management and Economics Research Center, Iran University of Medical Sciences, Tehran, Iran
2. School of Health Management and Information Sciences, Iran University of Medical Sciences, Tehran, Iran
3. Center for Health Related Social and Behavioral Sciences Research, Shahroud University of Medical Sciences, Shahroud, Iran
4. Department of Public Health, School of health and Nutrition, Lorestan University of Medical Sciences, Khorramabad, Iran
5. Tabriz Health Services Management Research Center, Health Management and Safety Promotion Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran