1. Department of Molecular and Clinical Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
2. Department of Emergency Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden
3. Department of Clinical Neuroscience, Institute of Neurosciences and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
4. Department of Neurology, Sahlgrenska University Hospital, Gothenburg, Sweden
5. Primary Health Care, School of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
6. Regionhälsan R&D Centre, Skaraborg Primary Care, Skövde, Sweden
7. Centre of Registers Västra Götaland, Gothenburg, Sweden
8. Sahlgrenska University Hospital/Östra, Gothenburg, Sweden
9. Department of Medicine and Emergency Mölndal, Sahlgrenska University Hospital, Gothenburg, Sweden