1. Environmental Health Research Center, Department of Environmental Health Engineerin, Faculty of Health, Golestan University of Medical Sciences, Gorgan, Iran
2. Water Purification Research Center, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
3. Department of Environmental Health Engineering, Faculty of Health, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
4. Department of Environmental Health Engineering, Torbat Jam Faculty of Medical Sciences, Torbat Jam, Iran
5. Clinical Research Development Unit, Sajjadieh Hospital, Torbat Jam Faculty of Medical Sciences, Torbat Jam, Iran