1. Division of Infectious Diseases, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea.
2. Division of Infectious Disease, Konyang University School of Medicine, Daejeon, South Korea.
3. Department of Molecular Cell Biology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea.
4. Department of Laboratory Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea.