1. Centre for Immunity, Infection and Evolution, University of Edinburgh, Ashworth Laboratories, Kings Buildings, West Mains Road, Edinburgh EH9 3JT, UK.
2. Paul G. Allen School for Global Animal Health, Washington State University, Pullman, WA 99164–7090, USA.
3. Royal (Dick) School of Veterinary Studies, University of Edinburgh, The Roslin Building, Easter Bush, Midlothian EH25 9RG, UK.
4. The Roslin Institute, University of Edinburgh, The Roslin Building, Easter Bush, Midlothian EH25 9RG, UK.
5. The James Hutton Institute, Craigiebuckler, Aberdeen AB15 8QH, UK.
6. International Livestock Research Institute, P.O. Box 30709, Nairobi 00100, Kenya.
7. Department of Veterinary Tropical Diseases, Faculty of Veterinary Science, University of Pretoria, Private Bag X04, Onderstepoort 0110, South Africa.
8. School of Life Sciences, University of Nottingham, University Park, Nottingham NG7 2RD, UK.
9. Natural Resources Institute Finland (Luke), Green technology, FI-31600 Jokioinen, Finland.
10. Henry Wellcome Building, Institute of Biodiversity, Animal Health and Comparative Medicine, Garscube Campus, College of Medical, Veterinary and Life Sciences, University of Glasgow, Bearsden Road, Glasgow G61 1QH, UK.
11. Division of Evolution, Ecology and Genetics, Research School of Biology, The Australian National University, Canberra, Australian Capital Territory 0200, Australia.