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Submitted on: 13 May 2001.
Revised on: 08 September 2001.
Accepted on: 27 October 2001.
___________________Geriatrics & Gerontology International
Submitted on: 23 June 2015.
Revised on: 16 August 2015.
Accepted on: 24 September 2015.
___________________Geriatrics & Gerontology International
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Submitted on: 27 March 2007.
Revised on: 18 July 2007.
Accepted on: 30 July 2007.
___________________Geriatrics & Gerontology International
Submitted on: 01 November 2023.
Revised on: 19 January 2024.
Accepted on: 02 February 2024.
___________________Geriatrics & Gerontology International