1. Division of Infectious Diseases Department of Internal Medicine Korea University College of Medicine Seoul Korea
2. Asian Pacific Influenza Institute (APII) Seoul Korea
3. Division of Infectious Diseases Department of Internal Medicine Kangnam Sacred Heart HospitalHallym University College of Medicine Seoul Korea
4. Division of Infectious Diseases Department of Internal Medicine Inha University School of Medicine Incheon Korea
5. Division of Infectious Diseases Department of Internal Medicine The Catholic University of Korea College of MedicineSt. Vincent's Hospital Suwon Korea
6. Division of Infectious Diseases Department of Internal Medicine Yonsei University Wonju College of Medicine Wonju Korea
7. Division of Infectious Diseases Department of Internal Medicine Chungbuk National University College of Medicine Cheongju Korea
8. Division of Infectious Diseases Department of Internal Medicine Kyungpook National University School of Medicine Daegu Korea
9. Division of Infectious Diseases Chonnam National University Medical School Gwangju Korea