About the Authors

Ji Young Park

Affiliations Division of Pulmonary, Allergy and Critical Care Medicine, Department of Internal Medicine, Hallym University Sacred Heart Hospital, Anyang, Korea, Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, The Armed Forces Daejeon Hospital, Daejeon, Korea

Bong-Joon Kim

Affiliations Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, The Armed Forces Daejeon Hospital, Daejeon, Korea, Department of Internal Medicine, Kosin University College of Medicine, Busan, Korea

Eun Jung Lee

Affiliation Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, The Armed Forces Daejeon Hospital, Daejeon, Korea

Kwi Sung Park

Affiliation Chungcheongnam-Do Institute of Health and Environment Research, Daejeon, Korea

Hee Sun Park

Affiliation Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Chungnam National University Hospital, Daejeon, Korea

Sung Soo Jung

Affiliation Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Chungnam National University Hospital, Daejeon, Korea

Ju Ock Kim

jokim@cnu.ac.kr

Affiliation Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Chungnam National University Hospital, Daejeon, Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: JYP JOK. Data curation: JYP. Formal analysis: JYP HSP SSJ. Investigation: JYP B-JK EJL. Methodology: JYP B-JK EJL. Supervision: JOK. Validation: B-JK KSP. Writing – original draft: JYP KSP. Writing – review & editing: B-JK EJL HSP SSJ JOK.