Funding for this research was provided by:
St Francis Hospital Research Foundation
Received: 22 May 2017
Accepted: 28 March 2018
First Online: 19 April 2018
Ethics approval and consent to participate
: The study was approved by St Francis Hospital internal review committee. Written consent was obtained from all participants.
: Not applicable since there is no report on individual patient data.
: The authors declare that they have no competing interests.
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