Funding for this research was provided by:
Health Technology Assessment Programme (11-102-03)
Text and Data Mining valid from 2018-07-31
Received: 9 March 2018
Accepted: 16 July 2018
First Online: 31 July 2018
Ethics approval and consent to participate
: All original trials reported gaining the approval of an appropriate human ethics committee. The current analysis involves a secondary analysis of anonymised data; therefore, it does not require separate ethics committee approval.
: Not applicable.
: The authors declare that they have no competing interests.
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