1. Department of Physiology, Medical school, Tehran University of Medical Sciences, Tehran, Iran
2. Electrophysiology Research Center, Neurosciences Institute, Tehran University of Medical Sciences, Tehran, Iran
3. Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
4. Department of Surgery, Firoozgar Hospital, Iran University of Medical Sciences, Tehran, Iran
5. Department of Pathology, Firoozgar Hospital, Iran University of Medical Sciences, Tehran, Iran