1. Division of Respiratory and Allergy, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, College of Medicine, Soonchunhyang University, Wonmi-gu, Bucheon-si, Gyeonggi-do, Korea
2. Department of Organ transplantation center, Vinmec Hospital, Vietnam
3. Department of Clinical Pathology, Soonchunhyang University Bucheon Hospital, College of Medicine, Soonchunhyang University, Wonmi-gu, Bucheon-si, Gyeonggi-do, Korea
4. Department of Thoracic Surgery, Soonchunhyang University Bucheon Hospital, College of Medicine, Soonchunhyang University, Wonmi-gu, Bucheon-si, Gyeonggi-do, Korea