1. Department of Clinical Neuroscience Institute of Neuroscience and Physiology, The Sahlgrenska Academy at the University of Gothenburg Gothenburg Sweden
2. Prehospen‐Centre of Prehosp Research, Faculty of Caring Science, Work Life and Social Welfare University of Borås Borås Sweden
3. Department of Ambulance Care Jönköping County Hospital Jönköping Sweden
4. Department of Ambulance Care Halland County Hospital Varberg Sweden
5. Department of Molecular and Clinical Medicine University of Gothenburg and Sahlgrenska University Hospital Gothenburg Sweden