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Submitted on: 28 October 2004.
Revised on: 05 January 2005.
Accepted on: 21 February 2005.
___________________Geriatrics & Gerontology International
Submitted on: 08 June 2011.
Revised on: 22 July 2011.
Accepted on: 07 September 2011.
___________________Geriatrics & Gerontology International
Submitted on: 09 February 2002.
Revised on: 10 March 2002.
Accepted on: 20 April 2002.
___________________Geriatrics & Gerontology International
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