hossein dargahi health care management department, school of allied medicine, tehran university of medical sciences, tehran, ir iran; health care management department, school of allied medical sciences, tehran university of medical sciences, shahid hemmat expressway, shahid chamran crossway, tehran, ir iran. tel: +98-2188622755, fax: +98-2188622533 mandana shirazi medical education department, center for educational research in medical sciences, tehran university of medical sciences, tehran, ir iran seyed amir yazdanparast medical laboratory sciences department, school of allied medicine, tehran university of medical sciences, tehran, ir iran

ali sarabi-asiabar research center for health services management, institute for futures studies in health, kerman university of medical sciences, kerman, ir iran mehdi jafari health management and economics research center, iran university of medical sciences, tehran, ir iran; department of health services management, school of health management and information sciences, iran university of medical sciences, tehran, ir iran jamil sadeghifar department of health education, school of public health, ilam university of medical sciences, ilam, ir iran; department of health education, school of public health, ilam university of medical sciences, ilam, ir iran. tel: +98-9124474770 shahram tofighi health management research centre, baqiyatallah university of medical sciences, tehran, ir iran rouhollah zaboli department of health services management, health school, baqiyatallah university of medical sciences, tehran, ir iran hadi peyman research center for prevention of psychosocial injuries & student research committee, ilam university of medical sciences, ilam, ir iran

Noreen C. Frisch Pat Atherton Elizabeth M. Borycki Grace Mickelson Agnes Black Helen Novak Lauscher Jennifer Cordeiro