Funding for this research was provided by:
Brighton and Sussex Medical School (xxxx)
Article History
Received: 8 January 2019
Accepted: 11 July 2019
First Online: 18 July 2019
Compliance with ethical standards
: The Research Governance and Ethics Committee at Brighton and Sussex Medical School granted ethical approval for the study (reference 14/015/OKO).
: The authors declare that they have no conflict of interest.