1. MS Society of Canada. About MS. 2021 [cited 2021 June 7, 2021]; Available from: https://mssociety.ca/about-ms.
2. Managing the symptoms of multiple sclerosis: a multimodal approach;Crayton;Clin. Ther.,2006
3. The Multiple Sclerosis International Federation. (2020). Atlas of MS 3rd Edition, PART 1: Mapping multiple sclerosis around the world key epidemiology findings. Retrieved from https://www.msif.org/wp-content/uploads/2020/10/Atlas-3rd-Edition-Epidemiology-report-EN-updated-30-9-20.pdf.
4. McDonald, E., Pharmacological management of MS fatigue, in MS in Focus. 2011, Multiple Sclerosis International Federation. p. 16–17.
5. The Sonya Slifka longitudinal multiple sclerosis study: methods and sample characteristics;Minden;Mult. Scler. J.,2006