http://reply.papertrans.cn/2/103/10271/10271-31.png
Submitted on: 25 October 2017.
Revised on: 15 December 2017.
Accepted on: 04 February 2018.
___________________Frontline Gastroenterology---BMJ PUBLISHING GROUP
Submitted on: 24 October 2001.
Revised on: 15 December 2001.
Accepted on: 06 January 2002.
___________________Frontline Gastroenterology---BMJ PUBLISHING GROUP
Submitted on: 16 November 2011.
Revised on: 04 March 2012.
Accepted on: 03 May 2012.
___________________Frontline Gastroenterology---BMJ PUBLISHING GROUP
Submitted on: 05 June 2017.
Revised on: 05 September 2017.
Accepted on: 22 October 2017.
___________________Frontline Gastroenterology---BMJ PUBLISHING GROUP
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