Review for 10.1186/s12876-021-01914-2 (2021)

Reviewer’s report
Title: 
Zenker’s Diverticulum in an 85-year-old Ugandan man
Version: 
1 
Date: 
06 Aug 2021
Reviewer: 
Ketan Vagholkar
Reviewer's report:
I am happy to read that the necessary changes have been made.
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Is the study design appropriate to answer the research question (including the use
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