1. Cardiovascular Research Institute Basel (CRIB), Department of Cardiology, University Hospital Basel, University of Basel, Basel, Switzerland
2. Global Research on Acute Conditions Team (GREAT) Network, Rome, Italy
3. Division of Cardiology, Vancouver General Hospital, University of British Columbia, Vancouver, British Columbia, Canada
4. Department of Cardiac Surgery, University Hospital Basel, University of Basel, Basel, Switzerland
5. Emergency Department, Hospital Clinic, August Pi i Sunyer Biomedical Research Institute (IDIBAPS), University of Barcelona, Barcelona, Spain
6. Emergency Department, University Hospital Zurich, Zurich, Switzerland
7. Hospital Clínico San Carlos, Madrid, Spain
8. Emergency Department, Kantonsspital Luzern, Lucerne, Switzerland
9. 2nd Department of Cardiology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Katowice, Katowice, Poland
10. University Center of Cardiovascular Science and Department of Cardiology, University Heart and Vascular Center Hamburg, Hamburg, Germany
11. Critical Care Research Group, The Prince Charles Hospital, Brisbane and University of Queensland, Brisbane, Australia
12. Department of Internal Medicine and Cardiology, Heart Center Leipzig-University Hospital, Leipzig, Germany
13. for the APACE Investigators