1. Laboratory of Immunology and Infectious Diseases, Graduate School of Medical Science and Engineering, KAIST, Daejeon, Korea.
2. Department of Infectious Diseases, International St. Mary's Hospital, Catholic Kwandong University College of Medicine, Incheon, Korea.
3. Department of Internal Medicine, Seoul National University Bundang Hospital, College of Medicine, Seoul National University, Seongnam, Korea.
4. Department of Internal Medicine, Chung-Ang University Hospital, Seoul, Korea.