1. Department of Bacteriology, National Center for Epidemiology, 1097 Budapest, Hungary
2. Department of Molecular Epidemiology, National Center for Epidemiology, 1097 Budapest, Hungary
3. Microbiological Research Group, National Center for Epidemiology, 1529 Budapest, Hungary
4. Aladár Petz County Teaching Hospital, 9023 Győr, Hungary
5. Laboratoire de Biologie Polyvalente, Hôpital Général, 12027 Rodez Cédex 9, France
6. Department of Infectious Diseases, Baranya County Hospital, 7623 Pécs, Hungary
7. Laboratory of Microbiology, Baranya County Hospital, 7623 Pécs, Hungary
8. Department of Medical Microbiology and Immunology, University of Pécs, 7643 Pécs, Hungary
9. Department of Internal Medicine, Central Military Hospital, 1553 Budapest, Hungary
10. Department of Epidemiology, National Public Health Service, 9024 Győr, Hungary