1. Medical Students' Research Center, Isfahan University of Medical Sciences, Isfahan 81745-319, Iran
2. Physiology Research Centre, Department of Physiology, Isfahan University of Medical Sciences, Isfahan 81745-319, Iran
3. Department of Pathology, Isfahan University of Medical Sceinces, Isfahan 81745-319, Iran
4. Department of Pharmacognosy and Isfahan Pharmaceutical Sciences Research Center, School of Pharmacy, Isfahan University of Medical Sciences, Hezar Jarib Avenue, Isfahan 81745-319, Iran