H Heidarnezhad, M Hassan Galyaie, N Goudarzi, S Lesan,

amir hashemi meshkini department of pharmacoeconomics and pharmaceutical administration, faculty of pharmacy, tehran university of medical sciences, tehran, ir iran; non-communicable disease research center, endocrinology and metabolism research institute, tehran university of medical sciences, tehran, ir iran abbas kebriaeezadeh department of pharmacoeconomics and pharmaceutical administration, faculty of pharmacy, tehran university of medical sciences, tehran, ir iran mohammad reza janghorban the unit of map and gis, the office of statistics and data, qom provincial governance center, qom, ir iran khosro keshavarz department of pharmacoeconomics and pharmaceutical administration, faculty of pharmacy, tehran university of medical sciences, tehran, ir iran shekoufeh nikfar department of pharmacoeconomics and pharmaceutical administration, faculty of pharmacy, tehran university of medical sciences, tehran, ir iran; food and drug organization, ministry of health and medical education, tehran, ir iran; department of pharmacoeconomics and pharmaceutical administration, faculty of pharmacy, tehran university of medical sciences, 16th azar street, keshavarz blv, tehran, ir iran. tel/fax: +98-02188611883