Review for 10.1186/s12876-021-01784-8 (2021)

Reviewer’s report
Title: 
Spinach consumption and nonalcoholic fatty liver disease among adults: a
case-control study
Version: 
0 
Date: 
12 Oct 2020
Reviewer's report:
-Add the unique of this study compared to other studies discuss the same issue.
-Add more on the basic of this disease in the introduction
-Discus role of imaging in NAFLD and fibrosis using these ref
-Besheer T, Razek AAKA, El Bendary M, et al. Does steatosis affect the
performance of diffusion-weighted MRI values for fibrosis evaluation in patients
with chronic hepatitis C genotype 4? Turk J Gastroenterol 2017;28:283-288.
-Razek AA, Khashaba M, Abdalla A, Bayomy M, Barakat T. Apparent diffusion
coefficient value of hepatic fibrosis and inflammation in children with chronic
hepatitis. Radiol Med 2014;119:903-9. 
-Razek AA, Abdalla A, Omran E, Fathy A, Zalata K. Diagnosis and
quantification of hepatic fibrosis in children with diffusion weighted MR
imaging. Eur J Radiol 2011;78:129-34.
-English language correction through the manuscript
-Discus merits and limitations of technique appiled
-Update of references as most of references are old using these ref
-Besheer T, Elalfy H, Abd El-Maksoud M, et al. Diffusion-weighted magnetic
resonance imaging and micro-RNA in 
the diagnosis of hepatic fibrosis in chronic
hepatitis C virus. World J Gastroenterol 2019;25:1366-1377.
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Is the study design appropriate to answer the research question (including the use
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