1. Department of Internal Medicine; Korea University College of Medicine; Seoul Korea
2. Kyungpook National University School of Medicine; Daegu Korea
3. Yonsei University Wonju College of Medicine; Wonju Korea
4. Gachon Medical School, Gil Medical Center; Incheon Korea
5. Yonsei University College of Medicine; Seoul Korea
6. Keimyung University College of Medicine; Daegu Korea
7. Soonchunhyang University College of Medicine; Cheonan Korea
8. Hallym University College of Medicine; Anyang Korea
9. Sungkyunkwan University College of Medicine, Kangbuk Samsung Hospital; Seoul Korea
10. Pusan National University College of Medicine; Busan Korea
11. Department of Biostatistics; Korea University College of Medicine; Seoul Korea
12. Liver Cirrhosis Clinical Research Center; Seoul Korea