Anna Mrzljak, Department of Gastroenterology, University Hospital Merkur, Zagreb 10000, Croatia
Anna Mrzljak, Tatjana Vilibic-Cavlek, School of Medicine, University of Zagreb, Zagreb 10000, Croatia
Lucija Bajkovec, Department of Medicine, County Hospital Cakovec, Cakovec 40000, Croatia
Tatjana Vilibic-Cavlek, Department of Virology, Croatian Institute of Public Health, Zagreb 10000, Croatia
Author contributions: Mrzljak A and Vilibic-Cavlek T made contributions to the concept, design and writing of the manuscript; Bajkovec L was involved in writing the manuscript and creating the image; all authors approved the final manuscript.
Conflict-of-interest statement: No potential conflicts of interest.
: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/Licenses/by-nc/4.0/
Corresponding author: Anna Mrzljak, MD, PhD, Associate Professor, Department of Gastroenterology, University Hospital Merkur, Zajčeva 19, Zagreb 10000, Grad Zagreb, Croatia. firstname.lastname@example.org
Received: October 25, 2020
Peer-review started: October 25, 2020
First decision: November 13, 2020
Revised: November 13, 2020
Accepted: November 29, 2020
Article in press: November 29, 2020
Published online: January 14, 2021