Text and Data Mining valid from 2018-03-20
Received: 6 September 2017
Accepted: 13 March 2018
First Online: 20 March 2018
Ethics approval and consent to participate
: This study was carried out in line with Kings College Ethics Committee Guidelines. Approval was granted on 14th February 2017, under reference LRU-16/17–4191. All participants in this study received an information sheet and gave informed signed consent to partake in this study.
: Not applicable.
: The authors declare that they have no competing interests.
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