1. Department of Molecular and Clinical Medicine Institute of Medicine The Sahlgrenska Academy at the University of Gothenburg Gothenburg Sweden
2. The Department of Emergency Care in South Älvsborg Borås Sweden
3. Centre for Prehospital Research – Faculty of Caring Science, Work Life and Social Welfare University of Borås Borås Sweden
4. Department of Clinical Neuroscience Institute of Neuroscience and Physiology The Sahlgrenska Academy at the University of Gothenburg Gothenburg Sweden