1. Department of Respiratory Medicine, Drum Tower Clinical Medical College of Nanjing Medical University, Nanjing 210008, Jiangsu, People’s Republic of China
2. Department of Respiratory Medicine, KunShan Hospital of Traditional Chinese Medicine, Kunshan, Jiangsu 215300, People’s Republic of China
3. Department of Respiratory Medicine, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, Jiangsu, People’s Republic of China
4. Department of Pathology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, Jiangsu, People’s Republic of China
5. Department of Respiratory Medicine, The Affiliated Yixing People Hospital, Jiangsu University, Yixing 214200, Jiangsu, People’s Republic of China
6. Jiangsu Key Laboratory of Organ Transplantation, Wuxi People’s Hospital, Nanjing Medical University, Wuxi 214023, Jiangsu, People’s Republic of China