1. Department of Community Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran;
2. Immunology Research Center, Inflammation and Inflammatory Diseases division, Medical School, Mashhad University of Medical Sciences, Mashhad, Iran;
3. Internal Medicine Department, Arash Hospital, Tehran University of Medical Sciences, Tehran, Iran
4. Social Development and Health Promotion Research Center, Gonabad University of Medical Sciences, Gonabad, Iran