1. Department of Infectious Diseases, Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China (mainland)
2. Clinical Research Management Office, Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong, China (mainland)
3. Department of Infectious Diseases, Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong, China (mainland)
4. Intensive Care Unit of Infectious Diseases, Guangzhou Eighth People’s Hospital, Guangzhou Medical University, Guangzhou, Guangdong, China (mainland)