1. Department of Emergency Medicine, Medical University Vienna, Vienna General Hospital, Vienna, Austria
2. Department of Anesthesiology and Intensive Care Medicine, University Hospital Cologne, Cologne, Germany
3. Department of Clinical Science and Translational Medicine, ‘Tor Vergata’ University of Rome, Rome, Italy
4. Institute for Translational Medicine and Therapeutics, University of Pennsylvania Perelman School of Medicine, Philadelphia, USA
5. Outcomes Research Consortium, Cleveland, Ohio, USA
6. Accident and Emergency, Great North Trauma and Emergency Care, Newcastle-upon-Tyne, UK
7. Department of Emergency Medicine, München Klinik, Munich, Germany
8. Department of Emergency Medicine and Critical Care, Besançon University Hospital, Besançon
9. Department of Emergency Medicine, Tours University Hospital, Tours, France
10. Department of Emergency Medicine, Centre Hospitalier de Wallonie Picarde, Tournai, Belgium and
11. Department of Anesthesia, Critical Care and Emergency, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy