1. Department of Surgical and Perioperative Sciences, Umeå University, Umea, Sweden
2. Department of Clinical Microbiology, Umeå University, Umea, Sweden
3. Clinical Neurophysiology, Umeå University Hospital, Umea, Sweden
4. Department of Public Health and Clinical Medicine, Umeå University, Umea, Sweden
5. Wallenberg Centre for Molecular Medicine, Umeå University, Umea, Sweden
6. Department of Clinical Sciences, Umeå University, Umea, Sweden