1. Institute of Microbiology & Infection, College of Medical & Dental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
2. School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK
3. Department of Biological Chemistry, John Innes Centre, Norwich Research Park, Norwich NR4 7UH, UK
4. British Society for Antimicrobial Chemotherapy, Griffin House, 53 Regent Place, Birmingham B1 3NJ, UK