Funding for this research was provided by:
Motor Neurone Disease Association (41/523)
Received: 11 September 2020
Accepted: 3 November 2020
First Online: 13 November 2020
Ethics approval and consent to participate
: The ethics reference for the London Neurodegenerative Diseases Brain Bank, King’s College London is 18/WA/0206 REC.
: Not applicable.
: The authors declare that they have no competing interests.