http://reply.papertrans.cn/1/74/7328/7328-11.png
Submitted on: 08 March 2010.
Revised on: 02 May 2010.
Accepted on: 17 June 2010.
___________________Deutsches Arzteblatt International
http://reply.papertrans.cn/1/74/7328/7328-13.png
Submitted on: 11 November 2002.
Revised on: 09 December 2002.
Accepted on: 22 December 2002.
___________________Deutsches Arzteblatt International
Submitted on: 17 May 2023.
Revised on: 09 August 2023.
Accepted on: 08 September 2023.
___________________Deutsches Arzteblatt International
http://reply.papertrans.cn/1/74/7328/7328-16.png
Submitted on: 11 January 2013.
Revised on: 17 April 2013.
Accepted on: 28 May 2013.
___________________Deutsches Arzteblatt International
http://reply.papertrans.cn/1/74/7328/7328-18.png
Submitted on: 11 January 2021.
Revised on: 07 April 2021.
Accepted on: 15 May 2021.
___________________Deutsches Arzteblatt International
Submitted on: 26 April 2023.
Revised on: 28 June 2023.
Accepted on: 20 July 2023.
___________________Deutsches Arzteblatt International