1. Department of Infectious Diseases, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden;
2. Department of Clinical Science and Education, Stockholm South General Hospital, Karolinska Institutet, Stockholm, Sweden;
3. Department of Clinical Microbiology, Karolinska University Hospital, Stockholm, Sweden;
4. Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institutet Stockholm, Sweden