1. Social Determinants of Health Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran
2. Health Management and Economics Research Center, Iran University of Medical Sciences, Tehran, Iran
3. Bahrami Pediatric Hospital, Tehran University of Medical Sciences, Tehran, Iran
4. Department of Health Services Management, School of Health Management and Information Sciences, Iran University of Medical Sciences, Tehran, Iran
5. Department of Health Sciences (DISSAL), School of Public Health, University of Genoa, Genoa, Italy