1. Department of Respiratory and Critical Care Medicine Affiliated Hospital of Guangdong Medical University Zhanjiang China
2. Department of Respiration Shantou Central Hospital Affiliated Shantou Hospital of Sun Yat‐sen University Shantou China
3. Department of Infectious Diseases Center Affiliated Hospital of Guangdong Medical University Zhanjiang China
4. Department of Hospital Office Affiliated Hospital of Guangdong Medical University Zhanjiang China
5. Key Laboratory of Respiratory Disease of Zhejiang Province Department of Respiratory and Critical Care Medicine Second Affiliated Hospital of Zhejiang University School of Medicine Hangzhou China
6. Department of Clinical Research Affiliated Hospital of Guangdong Medical University Zhanjiang China