http://reply.papertrans.cn/2/196/19586/19586-31.png
http://reply.papertrans.cn/2/196/19586/19586-32.png
Submitted on: 05 November 2008.
Revised on: 09 December 2008.
Accepted on: 06 February 2009.
___________________JOURNAL OF THE AMERICAN GERIATRICS SOCIETY
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http://reply.papertrans.cn/2/196/19586/19586-35.png
Submitted on: 10 October 2021.
Revised on: 01 February 2022.
Accepted on: 05 March 2022.
___________________JOURNAL OF THE AMERICAN GERIATRICS SOCIETY