1. Department of Community Medicine, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
2. Department of Occupational Health, School of Health, Health Promotion Research Center, Zahedan University of Medical Sciences, Zahedan, Iran
3. Department of Biostatistics & Epidemiology, School of health, Infectious Diseases and Tropical Medicine Research Center, Resistant Tuberculosis Institute, Zahedan University of Medical Sciences, Zahedan, Iran