| Affiliation: | 1. Ellen and Martin Prosserman Centre for Neuromuscular Diseases, Division of Neurology, Department of Medicine, University Health Network, University of Toronto, Toronto, Canada;2. Department of Neurology, King Khalid University Hospital, King Saud University, Saudi Arabia;3. Department of Neurology, King Fahad Hospital of the University, University of Dammam, Saudi Arabia;4. Division of Endocrinology and Metabolism, Department of Medicine, Mount Sinai, Hospital and Lunenfeld Tanenbaum Research Institute, University of Toronto, Toronto, Canada |
