1. Department of Neurology, Faculty of Medicine, Poursina Hospital, Guilan University of Medical Sciences, Rasht, Iran
2. Department of Neurology, Faculty of Medicine, Neuroscience Research Center, Poursina Hospital, Guilan University of Medical Sciences, Rasht, Iran
3. Faculty of Medicine, Guilan University of Medical Sciences, Rasht, Iran
4. Student Research Committee, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran