Funding for this research was provided by:
Ministry of Education, Science and Technology (2017R1D1A1B03035104, 2019R1A5A2027588)
Korean College of Helicobacter and Upper Gastrointestinal Research (2018)
Received: 1 March 2020
Accepted: 23 June 2020
First Online: 30 June 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of Seoul St. Mary’s Hospital, The Catholic University of Korea, Seoul, Korea (IRB number K15RISI0194).
: Not applicable.
: The authors declare that they have no conflict of interest.