1. Department of Immunology and Microbiology Zhongshan School of Medicine Sun Yat‐sen University Guangzhou 510080 China
2. Key Laboratory of Tropical Diseases Control (Sun Yat‐sen University) Ministry of Education Guangzhou 510080 China
3. Department of Respiratory Medicine The Fifth Affiliated Hospital of Sun Yat‐sen University Zhuhai 519000 China
4. School of Medicine Xizang Minzu University Xianyang Shaanxi 712082 China