1. Respiratory and Vaccine Preventable Bacteria Reference Unit, Public Health England, London, United Kingdom
2. Antimicrobial Resistance and Healthcare Associated Infections Reference Unit, Public Health England, London, United Kingdom
3. Southmead Hospital, Bristol, United Kingdom
4. British Society for Antimicrobial Chemotherapy, Birmingham, United Kingdom
5. LGC, Fordham, United Kingdom
6. Norwich Medical School, University of East Anglia, Norwich, United Kingdom