Submitted on: 23 January 2015.
Revised on: 18 February 2015.
Accepted on: 13 April 2015.
___________________JOURNAL OF THE AMERICAN GERIATRICS SOCIETY
Submitted on: 30 January 2002.
Revised on: 21 May 2002.
Accepted on: 28 June 2002.
___________________JOURNAL OF THE AMERICAN GERIATRICS SOCIETY
Submitted on: 27 March 1999.
Revised on: 22 July 1999.
Accepted on: 30 August 1999.
___________________JOURNAL OF THE AMERICAN GERIATRICS SOCIETY
http://reply.papertrans.cn/2/196/19586/19586-24.png
http://reply.papertrans.cn/2/196/19586/19586-25.png
http://reply.papertrans.cn/2/196/19586/19586-26.png
http://reply.papertrans.cn/2/196/19586/19586-27.png
Submitted on: 28 August 2013.
Revised on: 05 October 2013.
Accepted on: 17 November 2013.
___________________JOURNAL OF THE AMERICAN GERIATRICS SOCIETY
http://reply.papertrans.cn/2/196/19586/19586-29.png
Submitted on: 02 June 2015.
Revised on: 24 June 2015.
Accepted on: 20 July 2015.
___________________JOURNAL OF THE AMERICAN GERIATRICS SOCIETY