1. Environmental Science and Technology Research Center, Department of Environmental Health Engineering, School of Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
2. Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
3. Student Research Committee, Neyshabur University of Medical Sciences, Neyshabur, Iran
4. Department of Environmental Health Engineering, Neyshabur University of Medical Sciences, Neyshabur, Iran