1. Department of Clinical Sciences Lund, Division of Infection Medicine, Lund University, Lund, Sweden
2. Department of Medical Sciences Uppsala, Section of Infectious Diseases, Uppsala University, Uppsala, Sweden
3. Department of Laboratory Medicine, Clinical Microbiology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
4. Department of Medical Sciences Uppsala, Section of Neurosurgery, Uppsala University, Uppsala, Sweden