Mohammadkarim Bahadori1, Ramin Ravangard2, Khalil Alimohammadzadeh3, Seyed Mojtaba Hosseini3. 1. Health Policy Department, Baqiyatallah University of Medical Sciences, Tehran, Iran. 2. Department of Health Services Management, School of Management and Medical Information Sciences, Shiraz University of Medical Sciences, Shiraz, Iran ra_ravangard@yahoo.com. 3. Department of Health Services Management, Tehran North Branch, Islamic Azad University, Tehran.