Submitted on: 12 October 2001.
Revised on: 19 December 2001.
Accepted on: 04 February 2002.
___________________Australasian Emergency Care---ELSEVIER SCI LTD
Submitted on: 11 September 2016.
Revised on: 22 November 2016.
Accepted on: 13 December 2016.
___________________Australasian Emergency Care---ELSEVIER SCI LTD
Submitted on: 27 December 2021.
Revised on: 25 March 2022.
Accepted on: 18 May 2022.
___________________Australasian Emergency Care---ELSEVIER SCI LTD
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