Funding for this research was provided by:
J P Moulton Charitable Foundation
Text and Data Mining valid from 2018-12-01
Received: 12 July 2018
Accepted: 17 December 2018
First Online: 29 December 2018
Ethics approval and consent to participate
: The study was approved by the local research and ethics committee (West London Research Ethics Committee, Reference 10/H0707/96). Patients provided written informed consent and the study was conducted according to the principles of the Helsinki declaration.
: Not applicable.
: The authors declare that they have no competing interests.
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