Funding for this research was provided by:
Cambridgeshire and Peterborough NHS Foundation Trust
Article History
Received: 9 November 2019
Accepted: 18 December 2019
First Online: 5 February 2020
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: This was a systematic review and not a primary study. As such, did not involve human or animal participants.
: Not applicable.
: Not applicable.