1. Health Protection Agency Primary Care Unit, Microbiology Department, Gloucester Royal Hospital, Great Western Road, Gloucester, Gloucestershire, GL1 3NN, UK
2. Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Universiteitsplein 1, 2610 Antwerp, Belgium
3. 3rd Faculty of Medicine, Bulovka University Hospital, Budinova 2, 180 81 Prague, Czech Republic
4. National Unit of Infection Control, Department of Microbiological Surveillance and Research, Statens Serum Institut, Artillerivej 5, DK-2300 Copenhagen S, Denmark
5. Department of Public Health, Nice University Hospital, Archet 1 Hospital, 151, rte St Antoine de Ginestière, BP 3079, 06202 Nice cedex 3, France
6. Department of Public and Administrative Health, National School of Public Health, Athens 11521, Greece
7. Dipartimento di Patologia, Sezione Microbiologia, Università degli Studi di Verona, Strada Le Grazie 8, 37134Verona, Italy
8. National Institute of Public Health, Chelmska Str. 30/40, 00-725 Warsaw, Poland
9. Centro de Saúde de Oeiras, Av Salvador Allende, Oeiras, 2780 Oeiras, Portugal
10. Antibiotic Laboratory, Centro Nacional de Microbiología, Bacteriología, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain
11. City eHealth Research Centre (CeRC), School of Community and Health Sciences (SC&HS), City University London, Northampton Square, LondonEC1V 0HB, UK