Document Type : Research Paper
Authors
1 Professor of Biostatistics, Social Factors Affecting Health Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
2 Professor of Epidemiology, School of Health, Mashhad University of Medical Sciences, Mashhad, Iran
3 Department of Biostatistics, Faculty of Health, Mashhad University of Medical Sciences, Mashhad, Iran
4 Department of Biostatistics, Faculty of Health, Mashhad University of Medical Sciences, Mashhad, Iran. Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
Abstract
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