Text and Data Mining valid from 2018-05-02
Received: 1 December 2017
Accepted: 5 April 2018
First Online: 2 May 2018
Ethics approval and consent to participate
: Written informed consent was given by all participants. The study was approved by the Ethics Committees of Beaumont Hospital and of Trinity College, Dublin.
: The authors declare that they have no competing interests.
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