1. Department of Infectious Diseases, Aalborg University Hospital Aalborg , Aalborg , Denmark
2. Department of Clinical Medicine, Aalborg University Hospital Aalborg , Aalborg , Denmark
3. Department of Infectious Diseases, Aarhus University Hospital , Aarhus N , Denmark
4. Department of Infectious Diseases, Odense University Hospital , Odense , Denmark
5. Department of Pulmonary and Infectious Diseases, Nordsjællands Hospital , Hillerød , Denmark
6. Department of Infectious Diseases, Hvidovre University Hospital , Hvidovre , Denmark
7. Department of Infectious Diseases, Sjælland University Hospital , Roskilde , Denmark
8. Department of Infectious Diseases, Copenhagen University Hospital, Rigshospitalet , Copenhagen , Denmark