Received: 25 March 2019
Accepted: 25 June 2019
First Online: 8 July 2019
Ethics approval and consent to participate
: Human study was approved by the Office for Research Ethics Committees Northern Ireland. Written consent was obtained from all participants. The use of animals was approved by the Home Office UK and the Animal Welfare and Ethical Review Body at Queen’s University Belfast.
: Consent was obtained from all participants in human study.
: The authors declare that they have no competing interests.