Funding for this research was provided by:
National Institute for Health Research (538469, NIHR SPCR 218)
Received: 5 June 2018
Accepted: 29 April 2019
First Online: 23 May 2019
Ethics approval and consent to participate
: All participants were informed about anonymity and voluntariness of participation prior to giving their consent to participate. All participants who were interviewed or participated in a focus group provided their informed consent in written. All participants who completed the online anonymous survey gave their informed consent online prior completing the survey. The study was granted ethical approval from the NHS National Research Ethics Service (NRES) Committee East of England - Cambridge South.
: Not applicable.
: The authors declare that they have no competing interests.
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