In reply: In our study,1 we allocated the numbers and type of trauma centres according to New South Wales Department of Health terminology and the Royal Australasian College of Surgeons Trauma Verification Committee model resource criteria. The latter reflected the resource availability of 24-hour, 7-day per week specialty services such as plastic surgery, cardiothoracic surgery and neurosurgery at those centres during the study period,2,3 as outlined in Box 1 of the original manuscript. Since publication of the article, we have found further NSW Health documentation that designates Nepean, Gosford and Wollongong Hospitals as regional trauma centres.4
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