1. Department of Applied Sciences, Faculty of Health and Applied Sciences, University of the West of England, Bristol, United Kingdom.
2. Quadram Institute Bioscience, Norwich, United Kingdom.
3. Viral Resources, National Center for Biotechnology Information, U.S. National Library of Medicine, Bethesda, Maryland, USA.
4. Department of Food Science, and University of Guelph, Guelph, Ontario, Canada.
5. Department of Pathobiology, University of Guelph, Guelph, Ontario, Canada.