1. Département de microbiologie-infectiologie et d’immunologie, Université Laval, Québec, Québec, Canada
2. Special Pathogens Program, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba,Canada
3. Institute of Infectious Disease, Henan Center for Disease Control and Prevention, Zhengzhou, Henan, China
4. Vaccine and Infectious Disease Organization, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
5. Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania,USA