Funding for this research was provided by:
Research for Patient Benefit Programme
Article History
Received: 22 April 2019
Accepted: 18 September 2019
First Online: 8 October 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Ethical approval by the national NHS Research Ethic Committee Reference 10/H1016/81 and with the 1964 Helsinki Declaration.
: Informed consent was obtained from all individual participants included in the study.