1. Department of Environmental Health Engineering, School of Health, Ardabil University of Medical Sciences, Ardabil, Iran
2. Health Sciences Research Center, Ardabil University of Medical Sciences, Ardabil, Iran
3. Systems Environmental Health and Energy Research Center, the Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran
4. Department of Environmental Health Engineering, Faculty of Health and Nutrition, Bushehr University of Medical Sciences, Bushehr, Iran
5. Department of Environmental Health, Zabol University of Medical Sciences, Zabol, Iran
6. Department of Environmental Health Engineering, School of Health, Urmia University of Medical Sciences, Urmia, Iran
7. Department of Environmental Health Engineering, School of Health, Tehran University of Medical Sciences, Tehran, Iran