علی اکبر بیگی aa beigi assistant professor, alzahra hospital, isfahan university of medical sciences, isfahan, iran. سحر خان سلطانی s khansoltani (*corresponding author), resident, alzahra hospital, isfahan university of medical sciences, isfahan iran. tel: 09122061737تلفن: 09122061737 حسن مسعود پور h masoudpour resident, alzahra hospital, isfahan university of medical sciences, isfahan iran. افروز اسحاقیان a eshaghian student of medicine, isfahan university of medical sciences, isfahan iran.

اسحاقیان, افروز , بیگی, علی اکبر , خان سلطانی, سحر, مسعود پور, حسن ,