Submitted on: 23 June 2010.
Revised on: 22 August 2010.
Accepted on: 19 October 2010.
___________________Journal of the Intensive Care Society
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Submitted on: 17 December 1998.
Revised on: 13 January 1999.
Accepted on: 31 January 1999.
___________________Journal of the Intensive Care Society
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Submitted on: 26 July 2011.
Revised on: 08 September 2011.
Accepted on: 03 October 2011.
___________________Journal of the Intensive Care Society
Submitted on: 09 February 2020.
Revised on: 29 March 2020.
Accepted on: 25 April 2020.
___________________Journal of the Intensive Care Society
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