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Submitted on: 17 November 2008.
Revised on: 29 December 2008.
Accepted on: 24 January 2009.
Lancet Regional Health-Western Pacific
Submitted on: 24 May 1999.
Revised on: 01 July 1999.
Accepted on: 12 July 1999.
Lancet Regional Health-Western Pacific
Submitted on: 09 January 1999.
Revised on: 21 January 1999.
Accepted on: 14 February 1999.
Lancet Regional Health-Western Pacific
Submitted on: 15 April 2006.
Revised on: 09 May 2006.
Accepted on: 27 May 2006.
Lancet Regional Health-Western Pacific
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Submitted on: 01 July 2018.
Revised on: 14 July 2018.
Accepted on: 07 August 2018.
Lancet Regional Health-Western Pacific
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