Submitted on: 12 May 2013.
Revised on: 28 July 2013.
Accepted on: 27 August 2013.
___________________Journal of Health Services Research & Policy
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Submitted on: 13 July 2017.
Revised on: 13 October 2017.
Accepted on: 02 November 2017.
___________________Journal of Health Services Research & Policy
Submitted on: 24 December 2011.
Revised on: 21 March 2012.
Accepted on: 12 May 2012.
___________________Journal of Health Services Research & Policy
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Submitted on: 17 November 2011.
Revised on: 19 December 2011.
Accepted on: 08 January 2012.
___________________Journal of Health Services Research & Policy
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