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Submitted on: 08 March 2013.
Revised on: 26 April 2013.
Accepted on: 19 June 2013.
___________________Journal of Nursing Management---WILEY-HINDAWI
Submitted on: 04 March 2009.
Revised on: 30 May 2009.
Accepted on: 14 July 2009.
___________________Journal of Nursing Management---WILEY-HINDAWI