Authors
1 Community Medicine specialist, Community Medicine Department, School of Medicine, Mashhad University of Medical sciences, Mashhad, Iran
2 Community Medicine specialist, Departments of Community Medicine, Faculty of Medicine, Mashhad University of Medical Science, Mashhad, Iran
3 Department of Community Medicine, School of Medicine, Mashhad University of Medical Sciences, Mashhad, IranTel: +989155084676; Email: dadgarmm@mums.ac.ir
Abstract
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