nima baziar department of clinical nutrition and dietetics therapy, faculty of nutrition sciences and food technology, tehran university of medical sciences, tehran, ir iran kurosh jafarian department of clinical nutrition and dietetics therapy, faculty of nutrition sciences and food technology, tehran university of medical sciences, tehran, ir iran zhaleh shadman research center of endocrinology and metabolism, endocrinology and metabolism clinical sciences institute, tehran university of medical sciences, tehran, ir iran mostafa qorbani department of community medicine, alborz university of medical sciences, karaj, ir iran; non communicable diseases research center, endocrinology and metabolism population sciences institute, tehran university of medical sciences, tehran, ir iran mohsen khoshniat nikoo research center of endocrinology and metabolism, endocrinology and metabolism clinical sciences institute, tehran university of medical sciences, tehran, ir iran; research center of endocrinology and metabolism, endocrinology and metabolism clinical sciences institute, tehran university of medical sciences, tehran, ir iran. tel: +98-2188220094; ext: 5; fax: +98-2188220052 mahshid abd mishani research center of endocrinology and metabolism, endocrinology and metabolism clinical sciences institute, tehran university of medical sciences, tehran, ir iran

BOEHRINGER MANNHEIM

majid valizadeh zanjan metabolic disease research center, zanjan university of medical sciences, zanjan, ir iran zahra piri student research committee, school of medicine, zanjan university of medical sciences, zanjan, ir iran; student research committee, school of medicine, zanjan university of medical sciences, zanjan, ir iran. tel: +98-9128205320, fax: +98-2433770815 farnaz mohammadian division of obstetrics and gynecology, mousavi hospital, zanjan university of medical sciences, zanjan, ir iran koorosh kamali zanjan metabolic disease research center, zanjan university of medical sciences, zanjan, ir iran hamid reza amir moghadami laboratory of vali-e-asr hospital, zanjan university of medical sciences, zanjan, ir iran

akram ahangarpour health research institute, diabetes research center, dept of physiology, faculty of medical sciences, ahvaz jundishapur university of medical sciences, ahvaz, iran hossein teymuri zamaneh faculty of medical sciences, ahvaz jundishapur university of medical sciences, ahvaz, iran ayob jabari department of biology, faculty of science, shahid chamran university of ahvaz, ahvaz, iran hamid malekshahi nia department of sport physiology, faculty of physical education and sport science, shahid chamran university of ahvaz, ahvaz, iran hamid heidari department of physiology, school of medicine, ahvaz jundishapur university of medical sciences. ahvaz, iran and department of physiology, faculty of medical sciences, qom university of medical sciences, qom, iran

Abbas Mirshafiey, Abolghassem Djazayery, Ehsan Alvandi, Hoda Derakhshanian, Hoda Nadimi, Mahmoud Djalali, Mahnaz Zarei, Mohammad Hassan Javanbakht, Mohhamd Reza Eshraghian, Samane Jahanabadi,