Funding for this research was provided by:
Wellcome Trust (WT088441MA)
Northumberland, Tyne and Wear NHS Foundation Trust (na)
National Institute for Health Research (na)
Newcastle upon Tyne Hospitals NHS Foundation Trust (na)
Alzheimer's research UK (na)
Received: 22 January 2020
Accepted: 2 April 2020
First Online: 22 April 2020
Ethics approval and consent to participate
: The study was approved by the Newcastle & North Tyneside 1 Research Ethics Committee (reference number: 10/H0906/19) and by the Newcastle & North Tyneside 2 Research Ethics Committee (reference number: 15/NE/0420). Written informed consent was obtained from all participants prior to study participation.
: Not applicable
: The authors declare that they have no competing interests.