1. Klinik Für Anästhesie Und Intensivmedizin, Herz- Und Diabeteszentrum Mecklenburg Vorpommern, Karlsburg, Germany
2. Department of Anesthesia and Surgical ICU, University of Santiago De Compostela, Santiago De Compostela, Spain
3. Institute for Anaesthesiology, University Zürich and University Hospital Zürich, Zürich, Switzerland
4. Department of Anesthesiology, University Hospital, Ghent, Belgium
5. Department of Anaesthesiology and Intensive Care Medicine, Division of Anaesthesiology for Cardiovascular Surgery and Intensive Care Medicine, Medical University of Graz, Graz, Austria
6. Struttura Complessa Di Anestesia 1, Policlinico Di Modena, Modena, Italy
7. Laboratory of Physiology, Department of Translational Medicine, Università Piemonte Orientale, Novara, Italy
8. Dipartimento Di Anestesia E Rianimazione, Azienda Ospedaliero-Universitaria Pisana, Pisa, Italy
9. Department of Intensive Care, Erasme University Hospital, Université Libre De Bruxelles, Brussels, Belgium
10. UOC Anestesia E Rianimazione, Azienda Ospedaliera San Camillo-Forlanini, Rome, Italy; and
11. Critical Care, Orion Pharma, Espoo, Finland