1. Department of Internal MedicineIncheon St. Mary's Hospital, College of Medicine, The Catholic University of KoreaIncheon Republic of Korea
2. The Catholic University Liver Research Center, College of Medicine, The Catholic University of KoreaSeoul Republic of Korea
3. Department of Internal MedicineUijeongbu St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Uijeongbu Republic of Korea
4. Department of Internal MedicineSt. Paul's Hospital, College of Medicine, The Catholic University of KoreaSeoul Republic of Korea
5. Department of Internal MedicineYeouido St. Mary's Hospital, College of Medicine, The Catholic University of KoreaSeoul Republic of Korea
6. Department of Internal MedicineSt.Vincent's Hospital, College of Medicine, The Catholic University of KoreaSuwon Republic of Korea
7. Department of Internal MedicineBucheon St. Mary's Hospital, College of Medicine, The Catholic University of KoreaBucheon Republic of Korea
8. Department of Internal MedicineDaejeon St. Mary's Hospital, College of Medicine, The Catholic University of KoreaDaejeon Republic of Korea
9. Department of Internal MedicineSeoul St. Mary's Hospital, College of Medicine, The Catholic University of KoreaSeoul Republic of Korea