1. Environment Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
2. Chemical Engineering Department, Faculty of Engineering, University of Isfahan, Isfahan, Iran
3. Department of Chemistry, University of Isfahan, Isfahan, Iran
4. Department of Environmental Health Engineering, School of Health, Ilam University of Medical Sciences, Ilam, Iran
5. Faculty of Health, Shahr-e-kord University of Medical Sciences, Rahmatieh, P.O. Box 88155-383, Shahr-e-kord, Iran