1. EPIET Associate Programme, Public Health England, UK FETP, Newcastle-upon-Tyne, UK
2. Public Health England, North East Centre, Newcastle-upon-Tyne, UK
3. Genitourinary Medicine, Newcastle Hospitals, NHS Foundation Trust, Newcastle-upon-Tyne, UK
4. Sexual Health and HIV, South Tyneside Foundation Trust, South Shields, UK
5. Genitourinary Medicine, City Hospitals Sunderland, Sunderland, UK
6. Genitourinary Medicine and Sexual Health, University Hospital of North Durham, Durham, UK
7. National Infection Service, Statistics, Modelling and Economics Department, Public Health England, London, UK
8. National Infections Service, Public Health England, Newcastle-upon-Tyne, UK