Ali Nikkhah, Fatemeh Mirzaei, Maryam Sohrabi, Mehdi Medizadeh, Mohamad Bakhtiar Hesam Shariati, Sara Soleimani Asl, Siamak Shahidi,

heshmatolah shahbazian professor of nephrology, diabetes and ckd research centers, ahvaz jundishapour university of medical sciences, ahvaz, ir iran azita zafar mohtashami assisstant professor of nephrology, department of internal medicine, shaheed rahimi hospital, lorestan university of medical sciences, khorramabad, ir iran; department of internal medicine, shaheed rahimi hospital, lorestan university of medical sciences, khorramabad, ir iran. tel/fax: +98-663369539 seyed seifollah belladi musavi assisstant professor of nephrology, ahvaz jundishapour university of medical sciences, ahvaz, ir iran mahnaz danesh assisstant professor of nephrology, ahvaz jundishapour university of medical sciences, ahvaz, ir iran gholam reza lashkarara general physician, mph, lorestan university of medical sciences, khorramabad, ir iran

fatemeh owlia assistant professor, shahid sadoughi university of medical sciences, department of oral medicine mohammad-hassan akhavan karbassi assistant profefessor, shahid sadoughi university of medical sciences, department of oral medicine. narges mirjalili assistant profefessor, shahid sadoughi university of medical sciences, department of oral medicine. shokouh taghipour zahir assistant profefessor, shahid sadoughi university of medical sciences, department of pathology. neda gholami post graduated student sharare karimi post graduated student

Christopher J. Boyce