1. Department of Internal Medicine Seoul Medical Center Seoul Republic of Korea
2. Division of Pulmonary and Critical Care Medicine, Department of Medicine Samsung Medical Center, Sungkyunkwan University School of Medicine Seoul Republic of Korea
3. Department of Pathology Samsung Medical Center, Sungkyunkwan University School of Medicine Seoul Republic of Korea
4. Department of Thoracic and Cardiovascular Surgery Samsung Medical Center, Sungkyunkwan University School of Medicine Seoul Republic of Korea
5. Department of Health Sciences and Technology, SAIHST Sungkyunkwan University Seoul Republic of Korea