1. Emergency and Reparative Medicine Theme Karolinska University Hospital Huddinge OO H Stockholm Sweden
2. Department of Medicine Karolinska Institutet Stockholm Sweden
3. Department of Emergency Care and Internal Medicine Uppsala University Hospital Uppsala Sweden
4. Department of Medical Sciences/Clinical Epidemiology Uppsala University, Uppsala University Hospital Uppsala Sweden
5. Department of Public Health and Caring Sciences/Health Services Research Uppsala University Uppsala Sweden
6. School of Education, Health and Social Studies Dalarna University Falun Sweden
7. Emergency and Reparative Medicine Theme Karolinska University Hospital Stockholm Sweden