About the Authors
- Kyung Soo Chung
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Affiliation Division of Pulmonology, Department of Internal Medicine, Institute of Chest Disease, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
- Young Sam Kim
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Affiliation Division of Pulmonology, Department of Internal Medicine, Institute of Chest Disease, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
- Se Kyu Kim
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Affiliation Division of Pulmonology, Department of Internal Medicine, Institute of Chest Disease, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
- Ha Yan Kim
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Affiliation Biostatistics Collaboration Unit, Yonsei University College of Medicine, Seoul, Republic of Korea
- Sang Min Lee
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Affiliation Department of Radiology & Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
- Joon Beom Seo
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Affiliation Department of Radiology & Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
- Yeon Mok Oh
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Affiliation Department of Pulmonary and Critical Care Medicine and Clinical Research Center for Chronic Obstructive Airway Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
- Ji Ye Jung
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Contributed equally to this work with: Ji Ye Jung, Sang-Do Lee
* E-mail: stopyes@yuhs.ac (JYJ); sdlee@amc.seoul.kr (SDL)
Affiliation Division of Pulmonology, Department of Internal Medicine, Institute of Chest Disease, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
- Sang-Do Lee
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Contributed equally to this work with: Ji Ye Jung, Sang-Do Lee
* E-mail: stopyes@yuhs.ac (JYJ); sdlee@amc.seoul.kr (SDL)
Affiliation Department of Pulmonary and Critical Care Medicine and Clinical Research Center for Chronic Obstructive Airway Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
- Korean Obstructive Lung Disease study group
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¶Membership of the Korean Obstructive Lung Disease is provided in the Acknowledgments.
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: YSK SKK YMO SDL. Analyzed the data: HYK. Contributed reagents/materials/analysis tools: SML JBS. Wrote the paper: KSC JYJ.