1. Department of Clinical Pharmacology, Aarhus University Hospital, Aarhus, Denmark;
2. Department of Clinical Microbiology, Aarhus University Hospital, Skejby, Denmark;
3. Department of Clinical Microbiology, Odense University Hospital, Odense, Denmark;
4. Department of Clinical Microbiology, Slagelse Hospital, Slagelse, Denmark;
5. Department of Clinical Microbiology, Copenhagen University Hospital, Hvidovre, Denmark;
6. Department of Clinical Microbiology, Aalborg University Hospital, Aalborg, Denmark