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