Affiliation: | 1. Department of Internal Medicine, Inje University Ilsan Paik Hospital, Goyang, Republic of Korea;2. Department of Laboratory Medicine, Inje University Ilsan Paik Hospital, Goyang, Republic of Korea;3. Department of Paediatrics, Inje University Ilsan Paik Hospital, Goyang, Republic of Korea;4. Infection Control Office, Inje University Ilsan Paik Hospital, Goyang, Republic of Korea;5. Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea |