1. National Infection Service Public Health England London UK
2. Department of Infectious Disease Epidemiology Faculty of Epidemiology and Population Health London School of Hygiene and Tropical Medicine London UK
3. Centre for Infectious Diseases Rijksinstituut voor Volksgezondheid en Milieu, RIVM (Netherlands National Institute for Public Health and the Environment) Bilthoven The Netherlands
4. NHS England London UK
5. Central and North West London NHS Foundation Trust London UK
6. Unit of Pharmacotherapy, Epidemiology & Economics Department of Pharmacy University of Groningen Groningen The Netherlands
7. Department of Health Sciences University of Groningen University Medical Center Groningen Groningen The Netherlands
8. Department of Economics, Econometrics & Finance Faculty of Economics & Business University of Groningen Groningen The Netherlands