Submitted on: 26 December 2016.
Revised on: 09 February 2017.
Accepted on: 20 February 2017.
___________________Health Research Policy and Systems
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Submitted on: 01 June 2002.
Revised on: 25 September 2002.
Accepted on: 28 October 2002.
___________________Health Research Policy and Systems
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Submitted on: 18 June 2001.
Revised on: 08 September 2001.
Accepted on: 18 October 2001.
___________________Health Research Policy and Systems
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Submitted on: 11 August 2010.
Revised on: 04 November 2010.
Accepted on: 21 December 2010.
___________________Health Research Policy and Systems
Submitted on: 29 July 2014.
Revised on: 28 October 2014.
Accepted on: 13 December 2014.
___________________Health Research Policy and Systems