1. Interdepartmental Academic Unit of Microbiology and Infectious Diseases, Oxford University, Oxford, UK4
2. Nuffield Department of Pathology and Bacteriology1, and Bone Infection Unit, Nuffield Orthopaedic Centre and Nuffield Department of Medicine3, The John Radcliffe Hospital, Headington, Oxford, UK
3. Microbiology Department, Moyne Institute of Preventive Medicine, Trinity College, Dublin 2, Ireland2