1- The researcher did not explain the locations of collecting the samples

2- The protocol has not been reviewed by a scientific committee

3- The research team’s data is incomplete (mobile numbers and other data)

3- In the Hypothesis, Rationale and Scientific Validity section, liver transplantation and its association with the re-emergence of the hepatitis C virus were written (this is not the subject of the study)

4- The experimental procedures are written without commas and spaces as if they were a single paragraph, and part of them are written in the past tense

5- In the place to download the Helsinki Declaration, a blank sheet of paper was uploaded bearing the signature of Dr. Hoda Radwan.