1. Department of Medicine, Mora County Hospital, Mora, Sweden;
2. Department of Medical and Health Sciences, Linköping University, Linköping, Sweden;
3. Department of Medical Sciences, Uppsala University, Uppsala, Sweden;
4. Department of Emergency Medicine, Karolinska University Hospital, Stockholm, Sweden;
5. Division of Family Medicine and Primary Care, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Huddinge, Sweden;
6. School of Health and Social Sciences, Dalarna University, Falun, Sweden