1. Department of Anaesthesiology, Emergency and Intensive Care Medicine, University of Göttingen, Göttingen, Germany
2. Department of Adult Critical Care, Guy’s and St. Thomas’ NHS Foundation Trust, London, United Kingdom
3. Health Centre for Human and Applied Physiological Sciences, King’s College London, London, United Kingdom
4. Dipartimento di Ricerche Cardiovascolari, Istituto di Ricovero e Cura a Carattere Scientifico Istituto di Ricerche Farmacologiche “Mario Negri,” Milan, Italy
5. Department of Intensive Care Medicine, Royal Surrey County Hospital NHS Foundation Trust, Guildford, United Kingdom
6. Faculty of Health Sciences, University of Surrey, Guildford, United Kingdom
7. Department of Anaesthesiology and Critical Care, Lariboisière University Hospital, Public Assistance–Paris Hospital, University Paris Diderot, Paris, France
8. Dipartimento di Scienze della Salute, Università degli Studi di Milano Bicocca, Milan, Italy
9. Anaesthesia and Critical Care, Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
10. Dipartimento di Anestesia, Rianimazione ed Emergenza, Fondazione Istituto di Ricerca e Cura a Carattere Scientifico Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
11. Regions Hospital, St. Paul, Minnesota; and
12. University of Minnesota, St. Paul, Minnesota