1. Department of Environmental Health Engineering, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
2. Environmental Science and Technology Research Center, Department of Environmental Health Engineering, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
3. Department of Occupational Health Engineering, Faculty of Medical Science, Tarbiat Modares University, Tehran, Iran,
4. Department of Environmental Health Engineering, School of Health, Iran University of Medical Sciences, Tehran, Iran
5. Department of Bacteriology, Faculty of Medical Science, Tarbiat Modares University, Tehran, Iran