Submitted on: 16 December 2004.
Revised on: 13 April 2005.
Accepted on: 08 June 2005.
___________________Journal of Evidence Based Medicine
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Submitted on: 11 December 2011.
Revised on: 12 March 2012.
Accepted on: 18 April 2012.
___________________Journal of Evidence Based Medicine
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Submitted on: 16 June 2011.
Revised on: 11 October 2011.
Accepted on: 19 November 2011.
___________________Journal of Evidence Based Medicine
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Submitted on: 15 February 2012.
Revised on: 02 April 2012.
Accepted on: 13 April 2012.
___________________Journal of Evidence Based Medicine
Submitted on: 10 December 2002.
Revised on: 05 February 2003.
Accepted on: 05 March 2003.
___________________Journal of Evidence Based Medicine
Submitted on: 22 September 2006.
Revised on: 06 January 2007.
Accepted on: 25 January 2007.
___________________Journal of Evidence Based Medicine
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