1. Department of Perioperative Medicine and Intensive Care Karolinska University Hospital Stockholm Sweden
2. Rapid Response CarCapio Stockholm Sweden
3. Department of Physiology and PharmacologyKarolinska Institutet Stockholm Sweden
4. Swedish Air Ambulance (SLA) Mora Sweden
5. East Anglian Air Ambulance Cambridge UK
6. Department of Clinical Research and Education Karolinska Institutet Stockholm Sweden