1. State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, China
2. Mudanjiang Forestry Central Hospital, Heilongjiang Province, People’s Republic of China
3. The Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
4. Department of Epidemiology of Microbial Diseases, Yale School of Public Health and Yale School of Medicine, New Haven, Connecticut