Out-Of-Hospital Cardiac Arrest

• Dept. of Cardiology, The Heart Centre, Copenhagen University Hospital Rigshospitalet — Copenhagen, Capital Region of Denmark, Denmark
• The Department of Intensive Care, Aalborg University Hospital — Aalborg, Denmark
• The Department of Intensive Care, Aarhus University Hospital — Aarhus, Denmark
• Department of Anaesthesiology and Intensive Care Medicine, Zealand University Hospital — Køge, Denmark

• National Taiwan University Hospital Hsinchu Branch — Hsinchu, Taiwan

• Helsinki University Hospital — Helsinki, Finland
• Kuopio University Hospital — Kuopio, Finland
• Tampere University Hospital — Tampere, Finland
• Skane University Hospital — Lund, Sweden

• King County EMS — Seattle, Washington, United States

• Emergency Medical Services Copenhagen — Ballerup Municipality, The Capital Region, Denmark

• Bruneck Regional Hospital — Bruneck, Italy

Not specified

• Research Department of Cardiology — Odense, Denmark

• Emergency Medical Services Copenhagen — Copenhagen, Ballerup, Denmark

• Aalborg University hospital — Aalborg, Denmark
• Aarhus University Hospital — Aarhus, Denmark
• Odense University hospital — Odense, Denmark
• Amsterdam UMC — Amsterdam, Netherlands