1 Division of Infectious Diseases, Department of Internal Medicine, Korea University Guro Hospital, Korea University College of Medicine, 148, Gurodong-ro, Guro-gu, Seoul 08308, Republic of Korea.
2 Division of Infectious Diseases, Department of Internal Medicine, Korea University Guro Hospital, Korea University College of Medicine, 148, Gurodong-ro, Guro-gu, Seoul 08308, Republic of Korea. Electronic address: infection@korea.ac.kr.
3 Department of Laboratory Medicine, Korea University College of Medicine, Seoul, Republic of Korea.
4 Korea National Institute of Health, Korea Disease Control and Prevention Agency, Cheongju, Republic of Korea.