1. Department of Anesthesiology and Perioperative Medicine, Neuroscience ICU, University of Louisville, Kentucky, USA

2. IRCCS AOU San Martino-IST, Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy

3. Department of Anesthesiology and Critical Care, Hospital Clinico Universitario, University of Valencia, Valencia, Spain

4. Institute of Anesthesiology, University Hospital Zurich, Switzerland

5. Department of Biopathology and Medical Biotechnologies (DIBIMED), Section of Anesthesia, Analgesia, Intensive Care and Emergency, Policlinico P, Giaccone, University of Palermo, Palermo, Italy

6. Department of Anesthesiology, Critical Care and Pain Medicine, Lady Davis Carmel Medical Center, Haifa, Israel

7. Department of Anesthesiology Emergency & Intensive Care Medicine, Gottingen University, Gottingen, Germany

8. Department of Anaesthesiology and Intensive Care Medicine, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany

9. Clinical Physiology, Uppsala University, Sweden

10. Department of Anesthesiology, University of Utah, Salt Lake City, UT, USA

11. Division of General Surgery, University of California, San Francisco, USA

12. Massachusetts General Hospital, Department of Surgery, Harvard University, Massachusetts, USA

13. Department of Outcomes Research, Anesthesiology Institute, Cleveland Clinic, Cleveland, Ohio, USA

14. Department of Anaesthesiology and Reanimation, İstanbul University İstanbul School of Medicine, İstanbul, Turkey