Iranian Journal of Health, Safety and Environment e-ISSN: :2345-5535 Iran university of Medical sciences, Tehran, Iran
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		Hamed Hassani
								
Health Research Center, Life style institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.		
Iran, Islamic Republic of	
		Neda Nazarpour
								
Occupational Health Department, Faculty of Health, Tehran university of Medical Sciences, Tehran, Iran.		
Iran, Islamic Republic of	
		Gholamhossein Pourtaghi
								
Health Research Center, Life style institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.		
Iran, Islamic Republic of