Review for 10.1186/s12876-020-01517-3 (2020)

Reviewer’s report
Title: 
Initial results from a multi-center population-based cluster randomized trial of esophageal and
gastric cancer screening in China
Version: 
1 
Date: 
13 Oct 2020
Reviewer's report:
This manuscript is a revision of the study investigated the efficacy of upper endoscopic screening in
reducing mortality of esophageal cancer and gastric cancer in high-risk areas and in non-high-risk areas of
China. The authors answered to the comments and the manuscript was revised well.
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Is the study design appropriate to answer the research question (including the use of appropriate controls),
and are the conclusions supported by the evidence presented?
Yes
Are the methods sufficiently described to allow the study to be repeated?
Yes
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Yes
Is the presentation of the work clear?
Yes
Are the images in this manuscript (including electrophoretic gels and blots) free from apparent
manipulation?
Yes