Tehran University of Medical Sciences, Environmental Health Engineering Research Center, Department of Environmental Health, Kerman University of Medical Sciences, Kerman, Iran, Tehran University of Medical Sciences, Environmental Technologies Research Center, Department of Environmental Health Engineering, School of Public Health, Ahvaz Jundishapur University of Medical Sciences, Tehran University of Medical Sciences, Kermanshah University of Medical Sciences, Sirjan University of Technology, Sirjan University of Technology, Sirjan University of Technology and Zahedan University of Medical Sciences