Submitted on: 22 January 2001.
Revised on: 10 April 2001.
Accepted on: 25 May 2001.
___________________JOURNAL OF AGING AND PHYSICAL ACTIVITY
Submitted on: 10 August 1998.
Revised on: 05 September 1998.
Accepted on: 24 October 1998.
___________________JOURNAL OF AGING AND PHYSICAL ACTIVITY
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Submitted on: 03 May 2002.
Revised on: 17 June 2002.
Accepted on: 26 July 2002.
___________________JOURNAL OF AGING AND PHYSICAL ACTIVITY
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Submitted on: 07 February 2009.
Revised on: 15 April 2009.
Accepted on: 26 May 2009.
___________________JOURNAL OF AGING AND PHYSICAL ACTIVITY