1. Guangzhou Medical University Guangzhou China
2. State Key Laboratory of Respiratory Diseases National Clinical Research Center for Respiratory Disease Guangzhou China
3. Department of Pulmonary and Critical Care Medicine The First Affiliated Hospital of Guangzhou Medical University Guangzhou China
4. Department of Intensive Care The First Affiliated Hospital of Guangzhou Medical University Guangzhou China
5. WHO Collaborating Centre for Infectious Disease Epidemiology and Control School of Public Health The University of Hong Kong Hong Kong SAR China
6. Infection Control The First Affiliated Hospital of Guangzhou Medical University Guangzhou China
7. Guangzhou Institute of Respiratory Health Guangzhou China
8. Macau University of Science and Technology Macau SAR China
9. Department of Thoracic Oncology and Surgery The First Affiliated Hospital of Guangzhou Medical University Guangzhou China