1Division of Infectious Diseases, Konkuk University Hospital, Konkuk University School of Medicine, Seoul 143-779, Korea.
2Division of Infectious Diseases, Daegu Fatima Hospital, Daegu 701-600, Korea.
3Division of Infectious Diseases, Dankook University Hospital, Dankook University School of Medicine, Cheonan 330-715, Korea.
4Division of Infectious Diseases, Keimyung University Dongsan Medical Center, Keimyung University School of Medicine, Daegu 700-712, Korea.
5Division of Infectious Diseases, Dong-A University Medical Center, Dong-A University School of Medicine, Busan 602-715, Korea.
6Division of Infectious Diseases, Gyeongsang Institute of Health Sciences, Gyeongsang National University Hospital, Jinju 660-702, Korea. JFIF d d Ducky d qhttp://ns.adobe.com/xap/1.0/