Submitted on: 22 August 2015.
Revised on: 17 September 2015.
Accepted on: 09 October 2015.
___________________Journal of the American Medical Directors Association
Submitted on: 18 October 2021.
Revised on: 18 December 2021.
Accepted on: 24 January 2022.
___________________Journal of the American Medical Directors Association
http://reply.papertrans.cn/2/196/19594/19594-13.png
Submitted on: 19 October 2000.
Revised on: 11 November 2000.
Accepted on: 04 December 2000.
___________________Journal of the American Medical Directors Association
Submitted on: 23 September 2018.
Revised on: 16 January 2019.
Accepted on: 15 February 2019.
___________________Journal of the American Medical Directors Association
http://reply.papertrans.cn/2/196/19594/19594-16.png
http://reply.papertrans.cn/2/196/19594/19594-17.png
http://reply.papertrans.cn/2/196/19594/19594-18.png
http://reply.papertrans.cn/2/196/19594/19594-19.png
http://reply.papertrans.cn/2/196/19594/19594-20.png