1. Interdisciplinary Program for Bioengineering, Graduate School, Seoul National University, Seoul, Korea.
2. Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea.
3. Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea.
4. Institute of Medical and Biological Engineering, Medical Research Center, Seoul National University, Seoul, Korea.
5. Department of Biomedical Engineering, Seoul National University College of Medicine, Seoul, Korea.
6. Department of Biomedical Engineering, Seoul National University Hospital, Seoul, Korea.
7. Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea.