Mother and Newborn Health Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran. Department of Biochemistry, School of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran. Department of Biochemistry, School of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran. Electronic address: jzavar@ssu.ac.ir. Department of Occupational Health, Faculty of Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran. Electronic address: mjzs63@gmail.com. Department of Occupational Health, Faculty of Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.