1. Center for Vaccine Evaluation and Study, Medical Research Institute, Ewha Womans University, Seoul, Republic of Korea
2. Asia Pacific Foundation for Infectious Diseases (APFID), Seoul, Republic of Korea
3. Division of Infectious Diseases, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
4. Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon, Republic of Korea
5. Department of Pediatrics, School of Medicine, Ewha Womans University, Seoul, Republic of Korea