Review for 10.1186/s12876-021-01673-0 (2021)

Reviewer’s report
Title: 
The impact of symptoms on quality of life before and after diagnosis of
coeliac disease: the results from a Polish population survey and comparison with
the results from the United Kingdom
Version: 
1 
Date: 
16 Aug 2020
Reviewer's report:
Nice study, well written
The only issue is the fact this study lack novelty as the literature is flooded with
similar work and outcome. 
Comparison with UK study from 2010 might not be appropriate as coeliac
disease diagnosis is progressing matter improving with time and might be
different now compared to 2010 in UK
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Is the study design appropriate to answer the research question (including the use
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from apparent manipulation?
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