Review for 10.1186/s12876-020-01357-1 (2020)

Reviewer ’s report  
 
Title: The impact of overlapping functional dyspepsia, belching disorders and functional  
heartburn on anxiety, depression and quality of life of Chinese patients with irritable bowel  
syndrome  
 
Version: 2 Date: 11 Aug 2019  
 
Reviewer: Vasile Liviu Drug  
 
Reviewer's report:  
 
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Are the methods appropriate and well described?  
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Yes 
 
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Yes 
 
Are the conclusions drawn adequately supported by the data shown?  
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Yes 
 
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I am able to assess the statistics  
 
Quality of written English  
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Not suitable for publication unless extensively edited  
 
 
 
Declaration of competing interests  
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