1. Department of Respiratory Medicine The First Affiliated Hospital of Jinan University Guangzhou China
2. Respiratory Department The People’s Hospital of Wuzhou China
3. Affiliated Cancer Hospital & Institute of Guangzhou Medical University China
4. Department of Clinical Laboratory Guangzhou Chest Hospital China
5. Department of Pulmonary and Critical Care Medicine Guangzhou First People’s Hospital The Second Affiliated Hospital of South China University of Technology Guangzhou China