Document Type : Original Article
Authors
1 Lung Diseases Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
2 International UNESCO center for Health Related Basic Sciences and Human Nutrition, Mashhad University of Medical Sciences, Mashhad, Iran
3 Student Research Committee, Department of Epidemiology and Biostatistics, Faculty of Health, Mashhad University of Medical Sciences, Mashhad, Iran.
4 Cardiovascular Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran
5 Brighton & Sussex Medical School, Division of Medical Education, Falmer, Brighton, Sussex BN1 9PH, UK.
Abstract
Keywords