1. Department of Dermatology, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, China
2. The 89th hospital of People's Liberation Army, Weifang, Shandong, China
3. Nanlou Respiratory Diseases Department, Chinese People's Liberation Army General Hospital, Beijing, China
4. State Key Laboratory of Pathogen & Biosecurity, Beijing Institute of Microbiology & Epidemiology, Beijing, China