1. Department of Surgery, Faculty of Medicine and Health, Örebro University School of Health and Medical Sciences, Örebro, Sweden
2. Department of Anaesthesiology, Pain Medicine and Procedural Sedation and Analgesia, Martini General Hospital Groningen, Groningen, the Netherlands
3. Surgical Services, NHS [National Health Service] Lothian, Edinburgh, United Kingdom
4. Department of Anaesthesia and Pain Medicine, Royal Surrey County Hospital NHS Foundation Trust, Guildford, United Kingdom
5. Gastrointestinal Surgery, Nottingham Digestive Diseases Centre, National Institute for Health Research Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and University of Nottingham, Queen’s Medical Centre, Nottingham, United Kingdom
6. MRC (Medical Research Council) Versus Arthritis Centre for Musculoskeletal Ageing Research, University of Nottingham School of Life Sciences, Queen’s Medical Centre, Nottingham, United Kingdom
7. Department of Oncology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
8. Department of Obstetrics and Gynecology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
9. Anesthesiology and Critical Care Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia
10. Orthopaedic Research Institute, Bournemouth University, Bournemouth, United Kingdom
11. Physiotherapy Department, University Hospitals Dorset NHS Foundation Trust, Bournemouth, United Kingdom
12. Department of Visceral Surgery, University Hospital Centre Hospitalier Universitaire Vaudois, University of Lausanne, Lausanne, Switzerland