Funding for this research was provided by:
Alzheimer’s Research UK (ARUK-PG2016B-12)
Received: 20 June 2019
Accepted: 25 August 2019
First Online: 7 September 2019
Ethics approval and consent to participate
: Due to the devolved legislative landscape in the United Kingdom, ethical approval was sought from separate Research Ethics Committees in England and Scotland. Ethical approval was granted from Newcastle & North Tyneside Research Ethics Committee (24.03.2017, reference number: 16/NE/0420) and Scotland Research Ethics Committee A (05.04.2017) reference number: 17/SS/0001) accordingly. Ethical approval permitted witnessed verbal consent. Ethical approval for the Norwegian cohort of stable dementia patients has been granted via the Norwegian Registry of Persons with Cognitive Symptoms [NorCog] (Reference: S-08143a and 2017/371). The trial is registered with ISRCTN 43803769. Although an observational sample collection study by design, where applicable the SPIRT guidelines have been used to guide the reporting of our study protocol.
: Not applicable.
: The authors declare that they have no competing interests.