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Submitted on: 11 April 2010.
Revised on: 29 July 2010.
Accepted on: 26 August 2010.
___________________AMERICAN JOURNAL OF HEALTH PROMOTION
Submitted on: 25 December 1999.
Revised on: 14 March 2000.
Accepted on: 13 April 2000.
___________________AMERICAN JOURNAL OF HEALTH PROMOTION
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Submitted on: 06 August 2012.
Revised on: 03 October 2012.
Accepted on: 24 November 2012.
___________________AMERICAN JOURNAL OF HEALTH PROMOTION