1. Department of Neuroscience and Addiction Studies, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
2. Department of Neurology, Neuromuscular Research Center, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
3. Neurology Department, University Hospitals of Leicester NHS Trust, Leicester, UK
4. Neuroscience and Mental Health Institute, University of Alberta, Edmonton, Canada, and
5. Department of Medicine, Division of Neurology, University of Alberta, Edmonton, Canada