1. Department of Laboratory Medicine, Chungnam National University College of Medicine, Daejeon, Korea
2. Division of Immunization, Bureau of Healthcare Safety and Immunization, Korea Disease Control and Prevention Agency, Cheongju, Korea
3. Central Disease Control Headquarters, Korea Disease Control and Prevention Agency, Cheongju, Korea
4. Department of Laboratory Medicine, Konyang University College of Medicine, Daejeon, Korea
5. Department of Laboratory Medicine, Ajou University School of Medicine, Suwon, Korea
6. The Division of Human Blood Safety Surveillance, National Institute of Organ, Tissue and Blood Management, Seoul, Korea