1. Public Health England Food Water and Environmental Microbiology Services; National Infection Service; London UK
2. Institute of Infection and Global Health; University of Liverpool; Liverpool UK
3. Public Health England Food Water and Environmental Microbiology Laboratory York; National Infection Service; York UK
4. Public Health England Statistics, Modelling and Economics Department; National Infection Service; London UK
5. Public Health England Gastrointestinal Bacteria Reference Unit; National Infection Service; London UK
6. Public Health England Food Water and Environmental Microbiology Laboratory London; National Infection Service; London UK
7. Public Health England Food Water and Environmental Microbiology Laboratory Porton; National Infection Service; Salisbury UK
8. Public Health England; Gastrointestinal Infections Department; National Infection Service; London UK