Yeon Ji Kim, Institute of Gastroenterology, Kosin University College of Medicine, Busan 49267, Spain
Bu Kyung Kim, Seun Ja Park, Jae Hyun Kim, Department of Internal Medicine, Kosin University College of Medicine, Busan 49267, South Korea
Author contributions: Kim YJ, Kim BK, Park SJ and Kim JH designed the study; Kim YJ performed the experiments; Kim YJ and Kim JH wrote the paper; Kim BK and Park SJ critically reviewed the manuscript for important intellectual content; Kim JH approved the manuscript.
Supported by National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT), No. 2017R1C1B5017576.
Institutional review board statement: No human experiments were conducted and no human samples were used in this study.
Institutional animal care and use committee statement: All experimental procedures were performed with the approval of the Animal Experimentation Ethics Committee of Kosin University College of Medicine, No. KMAP-18-06.
Conflict-of-interest statement: The authors declare no conflicts of interest. The authors alone are responsible for the content of this manuscript.
Data sharing statement: Technical appendix and dataset available from the corresponding author at kjh8517@daum.net.
ARRIVE guidelines statement: The authors have read the ARRIVE guidelines, and the manuscript was prepared and revised according to the ARRIVE guidelines.
Open-Access: 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: Jae Hyun Kim, MD, PhD, Assistant Professor, Department of Internal Medicine, Kosin University College of Medicine, 262 Gamcheon-ro, Seo-gu, Busan 49267, South Korea. kjh8517@daum.net
Received: February 19, 2021
Peer-review started: February 19, 2021
First decision: May 13, 2021
Revised: May 17, 2021
Accepted: July 5, 2021
Article in press: July 5, 2021
Published online: August 7, 2021