1. Department of Environmental Health Engineering, School of Public Health and Environmental and Occupational Hazards Control Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
2. Department of Environmental Engineering, Khozestan Water and Wastewater Company, Ahvaz, Iran
3. Department of Water and Waste Water, Islamic Azad University, Branch Mahshar, Mahshar, Iran
4. Department of Environmental Health Engineering, School of Public Health and Environmental Technologies Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran, Tel. ; Fax:
5. Research Center for Environmental Pollutants, Qom University of Medical Sciences, Qom, Iran
6. Department of Environmental Health Engineering, Abadan School of Medical Sciences, Abadan, Iran
7. Clinical Development Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran