1. Occupational Environment Research Center, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
2. Department of Environmental Health Engineering, Occupational Environment Research Center, School of Health, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
3. Epidemiology and Biostatistics Department, Occupational Environmental Research Center, Rafsanjan Medical School, Rafsanjan University of Medical Sciences, Rafsanjan, Iran