mohammad fahiminia environmental health engineering, research center for environmental pollutants, qom university of medical sciences, qom, iran mahdi farzadkia environmental health engineering, occupational health research center, school of health, iran university of medical sciences, tehran, iran hossein jafari mansoorian environmental health engineering research center, department of environmental health engineering, kerman university of medical sciences, kerman, iran gharib majidi department of environmental health engineering, school of public health, qom university of medical sciences, qom, iran monireh mirzabeygi arhany department of environmental health engineering, school of public health, qom university of medical sciences, qom, iran narges khanjani department of environmental health, school of public health, kerman university of medical sciences, kerman, iran