1. Department of Cardiology and Cardiovascular Research Institute Basel (CRIB), University Hospital Basel, University of Basel , Petersgraben 4, CH-4031 Basel , Switzerland
2. GREAT network , Via Antonio Serra, 54, 00191 Rome , Italy
3. Department of Cardiac Surgery, University Hospital Basel, University of Basel , Petersgraben 4, CH-4031 Basel , Switzerland
4. Critical Care Research Group, The Prince Charles Hospital, Brisbane and the University of Queensland , 627 Rode Rd, Chermside Queensland 4032 , Australia
5. Emergency Department, Hospital Clinic , C. de Villarroel 170, 08036 Barcelona , Spain
6. Emergency Department, Hospital Clínico San Carlos , Calle del Prof Martín Lagos, S/N, 28040 Madrid , Spain
7. Department of Emergency Medicine, Luzerner Kantonsspital , Spitalstrasse 16, CH-6000 Luzern , Switzerland
8. Cardiology Department, Heart Center Leipzig , Strümpellstraße 39, D-04289 Leipzig , Germany
9. Emergency Department, University Hospital Zurich , Schmelzbergstrasse 8, CH-8091 Zurich , Switzerland
10. Blood Transfusion Centre, Swiss Red Cross , Hebelstrasse 10, CH-4056 Basel , Switzerland
11. Department of Hematology, University Hospital Basel, University of Basel , Petersgraben 4, CH-4031 Basel , Switzerland