Funding for this research was provided by:
Health Technology Assessment Programme (HTA - 10/104/13)
Text and Data Mining valid from 2020-04-15
Received: 8 August 2019
Accepted: 31 March 2020
First Online: 15 April 2020
Ethics approval and consent to participate
: Ethical approval was issued by the NRES Committee London - Harrow (reference. 12/LO/1378). Written informed consent was obtained from participants. Where a.participant lacked capacity, a consultee acted on their behalf, in accordance with UK law.
: Not applicable as no personal data are included.
: The authors declare that they have no competing interests.