1. Division of Gastroenterology, Department of Internal Medicine, Konyang University College of Medicine, Daejeon, Korea.
2. Biomedical Research Institute, Konyang University Medical Center, Daejeon, Korea.
3. Healthcare Data Science Center, Konyang University Hospital, Daejeon, Korea.
4. Department of Biomedical Informatics, Konyang University College of Medicine, Daejeon, Korea.