Text and Data Mining valid from 2019-03-12
Received: 12 September 2017
Accepted: 4 March 2019
First Online: 12 March 2019
Ethics approval and consent to participate
: Ethical approval was granted by The Prince Charles Human Research Ethics Committee, HREC/15/QPCH/55. Consent to participate was not applicable as this was a retrospective study. Public Health Act approval was granted to access patient level data without consent.
: Not applicable.
: The authors declare that they have no competing interests.
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