Published on in Vol 22, No 11 (2020): November
1 Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Armed Forces Capital Hospital, Seongnam, Republic of Korea
2 Division of Infectious Diseases, Department of Internal Medicine, Armed Forces Capital Hospital, Seongnam, Republic of Korea
3 Department of Periodontology, Armed Forces Capital Hospital, Seongnam, Republic of Korea
4 The Armed Forces Medical Command, Seongnam, Republic of Korea
5 Division of Chronic Disease Control, Korea Center for Disease Control and Prevention, Cheongju, Republic of Korea
*these authors contributed equally