mahnaz samadbeik department of health information technology, lorestan university of medical sciences, khorramabad, ir iran maryam ahmadi department of health information management, school of health management and information science, iran university of medical sciences, tehran, ir iran; department of health information management, school of health management and information science, iran university of medical sciences, tehran, ir iran. tel: +98-2188793805, fax: +98-2188883334 ali mohammadi health management and economics research center, school of health management and information sciences, iran university of medical sciences, tehran, iran beniamin mohseni saravi treatment vice chancellor medical record department, mazandaran university of medical sciences, sari, ir iran