In the original article, the Royal Hobart Hospital (RHH) data used in the analysis was incorrectly labelled as admissions data. It has been brought to the authors' attention that this is in fact presentations data. This does not impact in any way the analysis and findings. The corrected article has replaced the term ``admissions'' with ``presentations'' when referring to the RHH data where necessary. It has also removed the first limitation in the ``Limitations of this Study'' paragraph in light of these changes. The author apologizes for this error.

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