1. East of England Health Protection Team, UK Health Security Agency, Cambridge, United Kingdom
2. Field Service East of England, UK Health Security Agency, Cambridge United Kingdom
3. Field Service South East and London, UK Health Security Agency, London, United Kingdom
4. Field Service Rapid Investigation Team, UK Health Security Agency, London, United Kingdom
5. Gastrointestinal Infections and Food Safety (One Health) Division, UK Health Security Agency, London, United Kingdom
6. Gastrointestinal Bacteria Reference Unit, Public Health Microbiology Division, UK Health Security Agency, London, United Kingdom