1. Department of Environmental Health Engineering, Faculty of Health, Shahrekord University of Medical Sciences, Shahrekord, Iran
2. Department of Geology, Faculty of Science, Payam Noor University, Iran
3. Student Research Committee, Shahrekord University of Medical Sciences, Shahrekord, Iran
4. Department of Epidemiology and Biostatistics, Faculty of Health, Shahrekord University of Medical Sciences, Shahrekord, Iran