1. Department of Radiology, Samsung ChangWon Hospital Sungkyunkwan University School of Medicine ChangWon Gyeongsangnam‐Do South Korea
2. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Samsung ChangWon Hospital Sungkyunkwan University School of Medicine ChangWon Gyeongsangnam‐Do South Korea
3. Department of Research & Support, Samsung Changwon Hospital Sungkyunkwan University School of Medicine Changwon Gyeongsangnam‐Do South Korea
4. Division of Infectious Diseases of Internal Medicine, Samsung ChangWon Hospital Sungkyunkwan University School of Medicine ChangWon Gyeongsangnam‐Do South Korea