1. Center for Liver and Pancreatobiliary Cancer National Cancer Center Goyang Republic of Korea
2. Department of Internal Medicine and Liver Research Institute Seoul National University College of Medicine Seoul Republic of Korea
3. Department of Medicine, Samsung Medical Center Sungkyunkwan University School of Medicine Seoul Republic of Korea
4. Department of Internal Medicine Chonnam National University Medical School Gwangju Republic of Korea
5. Department of Internal Medicine, School of Medicine, Kyungpook National University Kyungpook National University Hospital Daegu Republic of Korea
6. Department of Internal Medicine Yonsei University College of Medicine Seoul Republic of Korea
7. Yonsei Liver Center Severance Hospital Seoul Republic of Korea