Funding for this research was provided by:
Efficacy and Mechanism Evaluation Programme (13/161/25)
Received: 21 April 2020
Accepted: 27 May 2020
First Online: 16 June 2020
Ethics approval and consent to participate
: Ethical approval was gained on 11th May 2017 (North West – Greater Manchester South Research Ethics Committee; REC reference: 17/NW/0089; IRAS project ID: 201644). Approval included Participation Information Sheets and Informed Consent forms for participants recruited into the study. All substantial amendments, for example, to the protocol will be submitted for ethical approval.
: Not Applicable.
: The authors declare that they have no competing interests.