Review for 10.1186/s12876-021-01605-y (2021)

Reviewer’s report
Title: 
Patient experience with NER1006 as a bowel preparation for colonoscopy:
a prospective, multicenter US survey
Version: 
2 
Date: 
14 Nov 2020
Reviewer's report:
The authors answered as far as possible to my requests, however there are still
several doubts about the work which therefore in my opinion cannot be accepted
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report.
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?
No
Are the methods sufficiently described to allow the study to be repeated?
Yes
Is the use of statistics and treatment of uncertainties appropriate?
No
Is the presentation of the work clear?
Yes
Are the images in this manuscript (including electrophoretic gels and blots) free
from apparent manipulation?
Yes