1. Health Management Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
2. Department of Health Services Management, Faculty of Health, Baqiyatallah University of Medical Sciences, Tehran, Iran
3. Health Human Resources Research Center, School of Management & Information Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
4. Health Management Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran