1. The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush, Midlothian, EH25 9RG, Scotland, United Kingdom
2. Centre for Development of Advanced Computing, University of Pune Campus, Pune 411007, India
3. Enteric Bacterial Pathogens Laboratory, Institute for Animal Health, Compton, Berkshire, RG20 7NN, United Kingdom
4. The Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge, CB10 1SA, United Kingdom