1 Department of Neurology, College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam 34212, Saudi Arabia.
2 Department of Clinical Neurological Sciences, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada.
3 Department of Clinical Neurological Sciences, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada; Department of Epidemiology and Biostatistics, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada.
4 Department of Clinical Neurological Sciences, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada; Department of Pediatrics, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada; Department of Psychiatry, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada. Electronic address: ana.sullermarti@lhsc.on.ca.