1. United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, Maryland, USA
2. UMR 1161 Virology ANSES/INRAE/ENVA, ANSES Animal Health Laboratory, Maisons-Alfort, France
3. Institute of Virology, Charité—Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
4. Department of Microbiology and Immunology, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, New York, USA
5. Sun Yat-sen University, Shenzhen, Guangdong Province, China
6. Integrated Research Facility at Fort Detrick, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA