1. Respiratory Department of Kunming Municipal First People’s Hospital, Kunming 650000, China
2. Graduate School, Tianjin Medical University General Hospital, Tianjin 300052, China
3. Respiratory Department of Tianjin Medical University General Hospital, Tianjin 300052, China
4. Respiratory Department of Lung Transplant Center, The Affiliated Wuxi People’s Hospital of Nanjing Medical University, Wuxi 214023, China