1 Division of Infectious Diseases, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon, South Korea. Electronic address: medone@cnuh.co.kr.
2 Asia Pacific Foundation for Infectious Diseases (APFID), Seoul, South Korea.
3 Division of Infectious Diseases, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon, South Korea.
4 Laboratory Medicine, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon, South Korea.