1. Research Department of Surgical Biotechnology, University College London, London, England, UK
2. Surgery and Interventional Trials Unit, University College London, London, England, UK
3. Centre for Journalology, Clinical Epidemiology Program, Ottawa Hospital Research Institute, The Ottawa Hospital, Ottawa, ON, Canada
4. School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
5. Department of Surgery, NHS Grampian, Aberdeen, Scotland, UK
6. Department of Medicine, McMaster University, Hamilton, ON, Canada
7. School of Life Sciences, University of Westminster, London, England, UK
8. Copenhagen Trial Unit, Centre for Clinical Intervention Research, Rigshospitalet, Copenhagen University Hospital, Copehagen, Denmark
9. Department of Anesthesiology and Pain Medicine, Blueprint Translational Research Group, Clinical Epidemiology and Regenerative Medicine Programs, Ottawa Hospital Research Institute, Ottawa Hospital, Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
10. UCL Centre for Clinical Microbiology, Division of Infection & Immunity, University College London, London, England, UK
11. Responsible Research in Practice, London, England, UK
12. SYRCLE, Department for Health Evidence, Radboud University Medical Center, Nijmegen, Netherlands
13. Department of Surgery, Radboud Institute for Health Sciences, Nijmegen, Netherlands
14. Pain Research, Department of Surgery & Cancer, Imperial College, London, England, UK
15. Center of Biomedicine and Medical Technology Mannheim CBTM, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany