Submitted on: 01 May 2000.
Revised on: 22 May 2000.
Accepted on: 03 July 2000.
___________________AMERICAN JOURNAL OF GERIATRIC PSYCHIATRY
Submitted on: 01 August 2012.
Revised on: 27 August 2012.
Accepted on: 14 October 2012.
___________________AMERICAN JOURNAL OF GERIATRIC PSYCHIATRY
http://reply.papertrans.cn/1/14/1336/1336-23.png
Submitted on: 10 June 2000.
Revised on: 03 October 2000.
Accepted on: 27 October 2000.
___________________AMERICAN JOURNAL OF GERIATRIC PSYCHIATRY
http://reply.papertrans.cn/1/14/1336/1336-25.png
http://reply.papertrans.cn/1/14/1336/1336-26.png
http://reply.papertrans.cn/1/14/1336/1336-27.png
http://reply.papertrans.cn/1/14/1336/1336-28.png
Submitted on: 23 July 2015.
Revised on: 05 October 2015.
Accepted on: 19 November 2015.
___________________AMERICAN JOURNAL OF GERIATRIC PSYCHIATRY
http://reply.papertrans.cn/1/14/1336/1336-30.png