1. Department of Paediatrics, Imperial College London, St. Mary's Campus, London W2 1PG, United Kingdom
2. National Veterinary Institute, Technical University of Denmark, Bulowsvej 27, DK-1790 Copenhagen V, Denmark
3. Pathogen Genomics Group, Institute for Biological Sciences, National Research Council of Canada, Ottawa, Ontario K1A 0R6, Canada
4. Institute of Veterinary Bacteriology, University of Berne, Laenggassstrasse 122, 3012 Berne, Switzerland
5. State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Shizishan Street 1, Wuhan 430070, People's Republic of China
6. Department of Pathology and Infectious Diseases, Royal Veterinary College, University of London, North Mymms, Hertfordshire AL9 7TA, United Kingdom