1. Department of Disease Control and Prevention; Huainan Municipal Commission of Health and Planning, the Affiliated Provincial Hospital of Anhui Medical University; Huainan Anhui China
2. Department of Clinical Laboratory; Huainan First People's Hospital, the First Affiliated Hospital of Anhui University of Science and Technology; Huainan Anhui China
3. The Affiliated Provincial Hospital of Anhui Medical University; Hefei Anhui China
4. Department of Microbiology Laboratory; Huainan Center for Disease Control and Prevention; Huainan Anhui China
5. Department of Epidemiology and Health Statistics; School of Public Health, Anhui Medical University; Hefei Anhui China
6. Department of Clinical Laboratory; the Affiliated Provincial Hospital of Anhui Medical University; Hefei Anhui China