Received: 24 February 2019
Accepted: 10 April 2019
First Online: 25 April 2019
Ethics approval and consent to participate
: Informed consent was obtained prospectively for the use of post-mortem brain tissues and brain samples were obtained and prepared in accordance with the Wales Research Ethics Committee approved protocols (Ref. No. 08/MRE09/31 + 5). The use of human tissue from the Parkinson’s UK Tissue Bank at Imperial College London was approved by Multicentre Research Ethics Committee (approval reference number: 07/MRE09/72).
: Not applicable.
: The authors declare that they have no competing interests.
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