akram sadat jafari roodbandi school of public health, occupational health department, bam university of medical sciences, bam, iran hamid naderi bsc of computer enginnering, ferdoos payam noor university, ferdoos, iran naser hashenmi-nejad school of public health, occupational health department, school of public health, kerman university of medical sciences, kerman, iran alireza choobineh research center for health sciences, institute of health, shiraz university of medical sciences, shiraz, iran mohammad reza baneshi research center for modeling in health, institute for futures studies in health, kerman university of medical sciences, kerman, iran vafa feyzi msc of occupational health, dezful university of medical sciences, dezful, iran