1. Department of Internal Medicine
2. Institute of Gastroenterology
3. Liver Cirrhosis Clinical Research CenterSeoul Republic of Korea
4. Department of Laboratory Medicine
5. Department of PathologyYonsei University College of MedicineSeoul Republic of Korea
6. Brain Korea 21 PLUS Project for Medical ScienceSeoul Republic of Korea
7. Severance Biomedical Science InstituteSeoul Republic of Korea