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Submitted on: 04 November 2010.
Revised on: 22 January 2011.
Accepted on: 09 March 2011.
___________________HEALTH CARE ANALYSIS---SPRINGER
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Submitted on: 09 February 2014.
Revised on: 19 March 2014.
Accepted on: 02 April 2014.
___________________HEALTH CARE ANALYSIS---SPRINGER
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