1 Digestive Disease Center, Department of Internal Medicine, Inha University Hospital, Inha University School of Medicine, Incheon, South Korea.
2 Digestive Disease Center, Department of Internal Medicine, Inha University Hospital, Inha University School of Medicine, Incheon, South Korea; The National Center of Efficacy Evaluation for the Development of Health Products Targeting Digestive Disorders, Incheon, South Korea.
3 Digestive Disease Center, Department of Internal Medicine, Inha University Hospital, Inha University School of Medicine, Incheon, South Korea; The National Center of Efficacy Evaluation for the Development of Health Products Targeting Digestive Disorders, Incheon, South Korea; Utah-Inha DDS and Advanced Therapeutics Research Center, Incheon, South Korea.