1. Division of Clinical Bacteriology, Huddinge University Hospital, S-14186 Huddinge, Sweden1;
2. Institute of Medical Microbiology and Immunology, University of Copenhagen,2 and
3. Department of Clinical Bacteriology, Rigshospitalet,3 Copenhagen, Denmark; and
4. Department of Microbiology, Kyoto Pharmaceutical University, Yamashina, Kyoto, Japan4