Received: 16 July 2018
Accepted: 15 October 2018
First Online: 21 November 2018
Ethics approval and consent to participate
: Approval for this study was granted by the Clinical Research Ethics Committee of the Cork Teaching Hospitals, Lancaster Hall, 6 Little Hanover Street, Cork, Ireland.
: Waived by the approval of the retrospective study by the Ethics Committee.
: The authors declare that they have no conflict of interest.
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