Funding for this research was provided by:
Research for Patient Benefit Programme (PB-PG-1014-35007)
Text and Data Mining valid from 2018-06-05
Received: 29 September 2017
Accepted: 4 May 2018
First Online: 5 June 2018
Ethics approval and consent to participate
: Ethics approval was granted by the NRES Committee Bromley ref. 15/LO/1929. All patients are to provide written informed consent prior to randomisation.
: The authors declare that they have no competing interests.