1. Department of Zoology, University of Cambridge, Cambridge, United Kingdom
2. Department of Veterinary Medicine, University of Cambridge, Cambridge, United Kingdom
3. Wellcome Trust Sanger Institute, Hinxton, United Kingdom
4. Virus and Prion Research Unit, National Animal Disease Center, USDA-ARS, Ames, United States
5. Clinical and Epidemiological Virology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven, Belgium
6. Institute of Evolutionary Biology, University of Edinburgh, Edinburgh, United Kingdom
7. Department of Viroscience, Erasmus Medical Center, Rotterdam, Netherlands
8. Department of Animal Health, National Centre for Veterinary Diagnostics, Hanoi, Vietnam
9. National Institute of Animal Health, Bangkok, Thailand
10. School of Public Health, The University of Hong Kong, Hong Kong Special Administrative Region, China
11. National Institute of Animal Health, Ibaraki, Japan
12. Swine Virology Immunology Unit, Anses, Ploufragan-Plouzané Laboratory, Ploufragan, France
13. St Jude Children's Research Hospital, Memphis, United States
14. Laboratory of Virology, Faculty of Veterinary Medicine, Ghent University, Ghent, Belgium
15. Animal and Plant Health Agency, Weybridge, United Kingdom
16. National Veterinary Institute, Technical University of Denmark, Frederiksberg, Denmark