1. Department of Zoology University of Oxford The Tinbergen Building, South Parks Road Oxford OX1 3PS UK
2. Institute of Life Science College of Medicine Swansea University Swansea SA2 8PP UK
3. Department of Mathematics and Statistics University of Helsinki P.O. Box 68 FI‐00014 Helsinki Finland
4. Department of Food Hygiene and Environmental Health University of Helsinki P.O. Box 66 FI‐00014 Helsinki Finland
5. Department of Information and Computer Science Helsinki Institute for Information Technology HIIT Aalto University P.O. Box 15400 FI‐00076 Aalto Finland
6. Department of Bacteriology and Food Safety Animal Health and Veterinary Laboratories Agency (AHVLA) New Haw Addlestone Surrey KT15 3NB UK
7. Cardiff School of Biosciences Cardiff University Main Building, Park Place Cardiff CF10 3AT UK
8. School of Medicine and Dentistry University of Aberdeen Foresterhill Aberdeen AB25 2ZD UK
9. School of Biological Sciences University of Aberdeen Foresterhill Aberdeen AB25 2ZD UK
10. Wellcome Trust Sanger Institute Wellcome Trust Genome Campus Hinxton Cambridge CB10 1SA UK
11. Department of Epidemiology Harvard School of Public Health Kresge Building, 677 Huntington Avenue Boston MA 02115 USA