Institution: | 1. Department of Neurology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran;2. School of medicine, Iran university of medical sciences, Tehran, Iran;3. Department of Biostatistics and Epidemiology, Faculty of Health, North Khorasan University of Medical Sciences, Bojnurd, Iran;4. Universal council of epidemiology (UCE), universal scientific education and research network (USERN), Tehran University of Medical Sciences, Tehran, Iran |