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Submitted on: 15 January 2005.
Revised on: 08 April 2005.
Accepted on: 21 April 2005.
___________________JBI Evidence Implementation---LIPPINCOTT WILLIAMS & WILKINS
Submitted on: 19 April 2009.
Revised on: 24 July 2009.
Accepted on: 02 September 2009.
___________________JBI Evidence Implementation---LIPPINCOTT WILLIAMS & WILKINS
Submitted on: 31 October 2012.
Revised on: 28 December 2012.
Accepted on: 11 February 2013.
___________________JBI Evidence Implementation---LIPPINCOTT WILLIAMS & WILKINS
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