1. Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
2. Department of Internal Medicine, Myongji Hospital, Hanyang University College of Medicine, Goyang, Korea
3. Department of Internal Medicine and Liver Research Institute, Seoul National University, Seoul, Korea
4. Tumor Microenvironment Global Core Research Center, Seoul National University, Seoul, Korea
5. Division of Statistics, Medical Research Collaborating Center, Seoul National University Bundang Hospital, Seongnam, Korea
6. Department of Public Health Sciences, Seoul National University, Seoul, Korea