1. 1Public Health England, UK
2. 2Department of Infectious Disease Epidemiology, Imperial College, London, UK
3. 3Institute of Microbiology and Infection, University of Birmingham, Birmingham, UK
4. 4Bavarian Health and Food Safety Authority, Oberschleissheim, Germany
5. 5Robert Koch Institute, Division for Enteropathogenic Bacteria and Legionella, Wernigerode, Germany
6. 6Department for Infectious Disease Epidemiology at the Robert Koch Institute, Berlin, Germany
7. 7Institut Pasteur, Centre national de reference des E. coli, Shigella et Salmonella, Paris, France
8. 8French Institute for Public Health Surveillance, France
9. 9Austrian Agency for Health and Food Safety, National Reference Centre for Salmonella, Graz, Austria
10. 10Surveillance & epidemiology of infectious diseases, Laboratoire National de Santé, Dudelange, Luxembourg