1. Interdisciplinary Program of Bioinformatics, College of Natural Sciences, Seoul National University, Seoul, Korea
2. Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
3. Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea
4. Department of Public Health Science, Graduate School of Public Health, Seoul, Korea
5. Institute of Health and Environment, Seoul National University, Seoul, Korea