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

• Department of Cardiology, Rigshospitalet — Copenhagen, Denmark
• Odense University Hospital — Odense C, Denmark

• University Hospital Southampton NHS Foundation trust — Southampton, England, United Kingdom

• National Taiwan University Hospital Hsinchu Branch — Hsinchu, Taiwan

• Fondazione IRCCS San Gerardo dei Tintori — Monza, Monza E Brianza, Italy
• IRCCS Ca' Granda Ospedale Maggiore Policlinico — Milan, Italy

• 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

• University of California, San Francisco — San Francisco, California, United States

Not specified