Farrar, Michelle A. http://orcid.org/0000-0002-4472-0902
Kiernan, Matthew C. http://orcid.org/0000-0001-9054-026X
Article History
First Online: 25 September 2020
Competing interests
: M.A.F. has received compensation as a member of the scientific advisory boards for Biogen, Roche and AveXis. These bodies had no role in the design or preparation of the article or decision to publish. M.C.K. is Editor-in-Chief of the <i>Journal of Neurology, Neurosurgery & Psychiatry</i> (BMJ Publishers, UK).