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Submitted on: 04 February 2011.
Revised on: 10 May 2011.
Accepted on: 18 June 2011.
___________________Joint Commission Journal on Quality and Patient Safety
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Submitted on: 19 November 1998.
Revised on: 11 March 1999.
Accepted on: 23 April 1999.
___________________Joint Commission Journal on Quality and Patient Safety
Submitted on: 20 July 2007.
Revised on: 13 October 2007.
Accepted on: 17 November 2007.
___________________Joint Commission Journal on Quality and Patient Safety