1. Rocky Mountain Veterinary Branch, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rocky Mountain Laboratory, USA
2. University of Sciences, Techniques and Technologies of Bamako, Mali
3. Special Pathogens Program, Zoonotic Diseases and Special Pathogens, National Microbiology Laboratory, Public Health Agency of Canada, Canada
4. Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Canada
5. Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rocky Mountain Laboratory, USA