http://reply.papertrans.cn/1/40/3904/3904-21.png
Submitted on: 20 April 2004.
Revised on: 04 June 2004.
Accepted on: 01 August 2004.
___________________BMC Medicine---BMC
Submitted on: 06 June 2016.
Revised on: 18 September 2016.
Accepted on: 26 October 2016.
___________________BMC Medicine---BMC
Submitted on: 07 July 2018.
Revised on: 19 September 2018.
Accepted on: 22 October 2018.
___________________BMC Medicine---BMC
http://reply.papertrans.cn/1/40/3904/3904-25.png
Submitted on: 24 January 1998.
Revised on: 15 February 1998.
Accepted on: 04 March 1998.
___________________BMC Medicine---BMC
http://reply.papertrans.cn/1/40/3904/3904-27.png
http://reply.papertrans.cn/1/40/3904/3904-28.png
http://reply.papertrans.cn/1/40/3904/3904-29.png
Submitted on: 06 December 2022.
Revised on: 18 March 2023.
Accepted on: 06 April 2023.
___________________BMC Medicine---BMC