1. Division of Infectious Diseases, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea.
2. Korean Society for Antimicrobial Therapy, Seoul, Korea.
3. Division of Infectious Diseases, Department of Internal Medicine, Inje University College of Medicine, Busan, Korea.
4. Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea.
5. Korean Society of Infectious Diseases, Seoul, Korea.
6. Division of Infectious Diseases, Department of Internal Medicine, Jeju National University College of Medicine, Jeju, Korea.
7. Department of Internal Medicine, Kyung Hee University College of Medicine, Seoul, Korea.
8. Department of Internal Medicine, Pusan National University School of Medicine and Medical Research Institute, Pusan National University Hospital, Busan, Korea.
9. Division of Infectious Diseases, Department of Internal Medicine, Kyungpook National University Chilgok Hospital, School of Medicine, Kyungpook National University, Daegu, Korea.
10. Department of Internal Medicine, School of Medicine, Kyungpook National University, Daegu, Korea.