Article History
Received: 15 January 2019
Accepted: 24 June 2019
First Online: 19 July 2019
Ethics approval and consent to participate
: Ethics approval was granted by Sheffield Hallam Research Ethics Committee: proposal number HWB-HSC 35. All participants gave written informed consent to participate in the study and all localities and individuals were given pseudonyms. Research governance was granted by the local NHS departments.
: Consent for publication is not required as individuals are not identifiable.
: The authors declare that they have no competing interests.