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Submitted on: 17 January 2007.
Revised on: 12 May 2007.
Accepted on: 10 June 2007.
___________________Applied Health Economics and Health Policy
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Submitted on: 15 February 2010.
Revised on: 07 May 2010.
Accepted on: 25 June 2010.
___________________Applied Health Economics and Health Policy
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Submitted on: 07 June 2004.
Revised on: 06 July 2004.
Accepted on: 19 July 2004.
___________________Applied Health Economics and Health Policy
Submitted on: 05 November 2012.
Revised on: 19 January 2013.
Accepted on: 18 March 2013.
___________________Applied Health Economics and Health Policy