1. Department of Health Service Management, School of Health Management and Information Sciences, Iran University of Medical Sciences, Tehran, Iran.
2. Department of Health Policy and Management, School of Management and Medical Informatics, Tabriz Health Services Management Research Center, Tabriz University of Medical sciences
3. Health Management and Economics Research Center, Health Management Research Institute, Iran University of Medical Sciences, Tehran, Iran.
4. Health Policy Research Center, Institute of Heath, Shiraz University of Medical Sciences, Shiraz, Fars, Iran.