1. Department of Health and Caring Sciences Linnaeus University Växjö Sweden
2. Ambulance Service, Region Kalmar Västervik Sweden
3. Department of Ambulance Service Region Sörmland Sweden
4. Centre for Clinical Research Uppsala University Uppsala Sweden
5. Department of Public Health and Caring Sciences Uppsala University Uppsala Sweden
6. Department of Patient Safety Region Sörmland Sweden
7. Department of Learning, Informatics, Management and Ethics, LIME Karolinska Institutet Stockholm Sweden