1. School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
2. Department of Microbiology, Faculty of Medicine, Guilan University of Medical Sciences, Rasht, Iran
3. Neuroscience Research Center, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
4. Department of Physiology, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran