1. Division of Infectious Diseases, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
2. Division of Infectious Diseases, Department of Internal Medicine, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
3. Division of Infectious Diseases, Department of Internal Medicine, Inha University Hospital, Inha University School of Medicine, Incheon, Republic of Korea
4. Division of Infectious Diseases, Department of Internal Medicine, Hallym University College of Medicine, Chuncheon, Republic of Korea
5. Division of Allergic and Infectious Diseases, Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Republic of Korea
6. Division of Infectious Diseases, Department of Internal Medicine, Chungbuk University Hospital, Chungbuk National University College of Medicine, Cheongju, Republic of Korea
7. Division of Infectious Diseases, Chonnam National University Medical School, Gwangju, Republic of Korea
8. Divisoin of Infectious Diseases, Chungnam National University School of Medicine, Daejeon, Republic of Korea
9. Life Science Research Institute, SK Chemicals, Seongnam, Gyeonggi-do, Republic of Korea