1. Department of Internal Medicine, Pusan National University College of Medicine and Medical Research Institute, Pusan National University Hospital, Busan, Korea
2. Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea
3. Department of Internal Medicine, Inha University School of Medicine, Incheon, Korea
4. Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
5. Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
6. Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
7. Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
8. Department of Internal Medicine, Pusan National University Yangsan Hospital, Pusan National University College of Medicine, Yangsan, Korea
9. Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
10. Abbvie Inc., North Chicago, IL, USA
11. AbbVie Korea, Ltd., Korea
12. Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
13. Department of Internal Medicine, Inje University Busan Paik Hospital, Inje University College of Medicine, Busan, Korea