1. Department of Medicine, Section of Paediatrics, Imperial College London, London, United Kingdom
2. Department of Veterinary Medicine, University of Cambridge, Cambridge, United Kingdom
3. The Wellcome Trust Sanger Institute, Cambridge, United Kingdom
4. Departamento de Microbiologia, Laboratório de Genética Molecular de Micro-organismos, Universidade Federal de Viçosa, Viçosa, Brazil
5. Faculty of Infectious & Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom
6. Department of Pathology and Pathogen Biology, The Royal Veterinary College, Hatfield, United Kingdom