1. Faculty of Medicine, University of Helsinki, Helsinki, Finland
2. Global Medical, Sanofi, Lyon, France
3. Department of Public Health, Graduate School of Public Health, Seoul National University, Seoul, Republic of Korea
4. Department of Emergency Medicine, Hallym University, Dongtan Sacred Heart Hospital, Hwaseong, Republic of Korea
5. National Institute of Organ, Tissue and Blood Management, Ministry of Health and Welfare, Seoul, Republic of Korea
6. Division of Immunization, Bureau of Healthcare Safety and Immunization, Korea Disease Control and Prevention Agency, Cheongju, Republic of Korea
7. Korea Disease Control and Prevention Agency, Cheongju, Republic of Korea