seyed mohammad hadi mousavi phd by research candidate, health information management research center, tehran university of medical sciences, tehran, iran mahmoud jabbarvand professor, school of medicine, farabi eye hospital, tehran university of medical sciences, tehran, iran hojjat zeraati professor, school of public health, health information management research center, tehran university of medical sciences, tehran, iran hossein dargahi professor, health care management department, health information management research center, tehran university of medical sciences, tehran, iran; professor, health care management department, health information management research center, tehran university of medical sciences, tehran, iran. tel: 98-2188982997; +98-9123010027, fax: +98-2188982997 akram assadollahi bsc. in health care management, school of allied medicine, tehran university of medical sciences, tehran, iran seyed ahmad mousavi msc in mba, tehran university of medical sciences, tehran, iran