(1. Medical Faculty of Kunming University of Science and Technology, Kunming 650500, China; 2. The First People’s Hospital of Yunnan Province & Affiliated Hospital of Kunming University of Science and Technology, Kunming 650000; 3. State Key Laboratory of Respiratory Diseases, National Clinical Research Center for Respiratory Diseases, First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120; 4. Kunming Medical University, Kunming 650500)
R-33