Affiliation: | 1. Department of Clinical Microbiology, Karolinska Hospital, S-104 01 Stockholm, Sweden;2. Stockholm County Council, S-104 01 Stockholm, Sweden;3. Department of Medicine, Division of Nephrology, Karolinska Hospital, S-104 01 Stockholm, Sweden;4. Karolinska Institute, S-104 01 Stockholm, Sweden;5. National Bacteriological Laboratory, S-105 21 Stockholm, Sweden;6. Department of Clinical Bacteriology, Danderyd Hospital, S-182 88 Stockholm, Sweden |