Submitted on: 01 November 2015.
Revised on: 20 January 2016.
Accepted on: 19 February 2016.
___________________Frontline Gastroenterology---BMJ PUBLISHING GROUP
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http://reply.papertrans.cn/2/103/10271/10271-13.png
Submitted on: 27 June 2013.
Revised on: 25 August 2013.
Accepted on: 17 October 2013.
___________________Frontline Gastroenterology---BMJ PUBLISHING GROUP
http://reply.papertrans.cn/2/103/10271/10271-15.png
Submitted on: 12 April 2001.
Revised on: 04 May 2001.
Accepted on: 27 June 2001.
___________________Frontline Gastroenterology---BMJ PUBLISHING GROUP
Submitted on: 14 January 2012.
Revised on: 10 February 2012.
Accepted on: 29 March 2012.
___________________Frontline Gastroenterology---BMJ PUBLISHING GROUP
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http://reply.papertrans.cn/2/103/10271/10271-19.png
Submitted on: 13 February 2013.
Revised on: 08 May 2013.
Accepted on: 27 May 2013.
___________________Frontline Gastroenterology---BMJ PUBLISHING GROUP