1. Economic Development and Planning Department, Faculty of Management and Economics Tarbiat Modares University Tehran Iran
2. Cancer Research Centre Shahid Beheshti University of Medical Science Tehran Iran
3. Economics Department, Faculty of Management and Economics Tarbiat Modares University Tehran Iran
4. National Institute for Health Research and Health Equity Research Centre Tehran University of Medical Sciences Tehran Iran
5. Department of Statistics, Faculty of Science University of Qom Tehran Iran