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, Gröna Stråket 2, 413 45 Gothenburg, Sweden
3. Department of Medicine and Emergency Mölndal, Sahlgrenska University Hospital, Gothenburg, Sweden
4. Primary Health Care, School of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
5. Närhälsan Norrmalm Health Centre, Skövde, Sweden
6. Centre of Registers Västra Götaland, Gothenburg, Sweden
7. Sahlgrenska University Hospital/Östra, Gothenburg, Sweden
8. Regionhälsan R&D Centre, Skaraborg Primary Care, Skövde, Sweden