Abstract
1 Epidemiological Identification and Typing Laboratory, National Collection of Type Cultures, Central Public Health Laboratory, London NW9 5HT, United Kingdom
2 Laboratorium voor Microbiologie, University of Ghent, B-9000 Ghent, Belgium
3 Department of Microbiology, University Hospital, Antwerp, Belgium
4 Culture Collection, Department of Clinical Bacteriology, University of Göteborg, S-413 46 Göteborg, Sweden