1. Division of Medical Microbiology, Department of Laboratory Medicine, Lund University, Skane Laboratory Medicine, Sölvegatan 23, 221 85 Lund, Sweden
2. Division of Otorhinolaryngology, Head and Neck Surgery, Department of Clinical Sciences, Lund University, Skane University Hospital, Lasarettsgatan 21, 221 85 Lund, Sweden