1. Royal Surrey County Hospital NHS Foundation Trust University of Surrey Guildford UK
2. Department of Anesthesia McGill University Health Centre Montreal General Hospital Montreal QC Canada
3. University of Edinburgh The Royal Infirmary Clinical Surgery Edinburgh UK
4. Department of Anesthesiology and Intensive Care Medicine Campus Charit Mitte and Campus Virchow‐Klinikum Charit University Medicine Berlin Germany
5. Department of Surgery McGill University Health Centre Montreal General Hospital Montreal QC Canada
6. Department of Anesthesiology Duke University Medical Center Durham NY USA
7. Department of Surgery Faculty of Medicine and Health Orebro University Orebro Sweden
8. Division of Gastrointestinal Surgery Nottingham Digestive Diseases Centre National Institute for Health Research Biomedical Research Unit Nottingham University Hospitals Queen's Medical Centre Nottingham UK
9. Department of Anesthesia McGill University Health Centre Royal Victoria Hospital Montreal QC Canada