arpad tosaki department of pharmacology, faculty of pharmacy, health and science center, university of debrecen. tel/fax: +36-52-255586, hungary ; department of pharmacology, faculty of pharmacy, health and science center, university of debrecen. tel/fax: +36-52-255586, hungary

leila sabzmakan department of health education & promotion, alborz university of medical sciences, karaj, ir iran eesa mohammadi department of nursing, tarbiat modares university, tehran, ir iran; department of nursing, tarbiat modares university, tehran, ir iran. tel: +98-2634643590 mohammad ali morowatisharifabad department of health education, shahid sadoughi university of medical sciences, yazd, ir iran ahmad afaghi department of nutritionist, qazvin university of medical sciences, qazvin, ir iran mohammad hassan naseri department of surgery, alborz university of medical sciences, karaj, ir iran; department of surgery, baqiyatallah university of medical sciences, tehran, ir iran masoud mirzaei cardiovascular research center, shahid sadoughi university of medical sciences, yazd, ir iran