1. Department of Pulmonary and Infectious Diseases; Nordsjaellands Hospital; Hillerød Denmark
2. Department of Clinical Microbiology; Rigshospitalet; Copenhagen Denmark
3. Costerton Biofilm Center; Department of Immunology and Microbiology; Faculty of Health Sciences; University of Copenhagen; Copenhagen Denmark
4. Department of Clinical Microbiology; Herlev-Gentofte Hospital; Hellerup Denmark
5. Department of Internal Medicine; Herlev-Gentofte Hospital; Hellerup