Iranian Journal of Health, Safety and Environment e-ISSN: :2345-5535 Iran university of Medical sciences, Tehran, Iran
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		Jamal Mehralipour
								
) Department of Environmental Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
Research committee, Faculty of public health branch, Iran University of Medical Sciences, Tehran, Iran.		
Iran, Islamic Republic of	
		Mohammd Reza Samarghandi
								
Department of Environmental Engineering, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran		
Iran, Islamic Republic of	
		Razzagh Rahimpoor
								
Department of Occupational Health, Centre of Health Researches, School of public Health, Larestan School of Medical Sciences, Larestan, Iran.		
Iran, Islamic Republic of