1. Department of Health Management and Economics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
2. Iranian Center of Excellence in Health Management, School of Management and Medical Informatics, Health Economics Department, Tabriz University of Medical Sciences, Tabriz, Iran
3. Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
4. Cancer Research Center, Cancer Institute, Tehran University of Medical Sciences, Tehran, Iran