Abdolrazagh Marzban, Maryam Karkhane, Mohammad Amin Porhossiengholi, Mohammad Reza Akbariyan Torkabad, Mohammad Reza Zali, Seyed Karim Hossieni Aghdam, Seyed Mehdi Mortazavi, Zahra Kimiia,

saied saeidimehr department of medicine, naft grand hospital, the health affaire organization of oils and refineries industry, ahvaz, ir iran sahar geravandi department of nursing, islamic azad university, tehran medical sciences branch, tehran, ir iran; clinical research development center, razi teaching hospital, ahvaz jundishapur university of medical sciences, ahvaz, ir iran fakher rahim toxicology research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran farid yosefi department of medicine, infectious and tropical diseases research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; clinical research development center, razi teaching hospital, ahvaz jundishapur university of medical sciences, ahvaz, ir iran shokrolah salmanzadeh department of medicine, infectious and tropical diseases research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; clinical research development center, razi teaching hospital, ahvaz jundishapur university of medical sciences, ahvaz, ir iran hossein foruozandeh department of pharmacology and toxicology, pharmacy and toxicology research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran