1. Research Center for Health Sciences, Institute of Health, Department of Occupational Health Engineering, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
2. Department of Chemistry, Shiraz Branch, Islamic Azad University, Shiraz, Iran
3. Department of Epidemiology, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
4. Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran