1. Academic Unit of Cancer Sciences, Faculty of Medicine, University of Southampton, Southampton, UK
2. Critical Care Research Area, National Institute for Health Research Respiratory Biomedical Research Unit, Southampton, UK
3. Integrative Physiology and Critical Illness Group, Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK
4. Anaesthesia and Critical Care Research Unit, University Hospital Southampton NHS Foundation Trust, Southampton, UK
5. Cancer Research UK Liverpool Cancer Trials Unit, Liverpool, UK
6. Department of Anaesthesia, Maidstone and Tunbridge Wells NHS Trust, Maidstone, UK
7. Directorate of Anaesthesia, Derriford Hospital, Plymouth, UK
8. Plymouth University, Peninsula Schools of Medicine and Dentistry, Plymouth, UK
9. Department of Anaesthesia and Critical Care Medicine, Torbay Hospital, Torquay, UK
10. Sports Therapy, Physical Activity and Health Research Group, School of Sport and Exercise Sciences, University of Kent, Canterbury, UK
11. Anaesthesia and Intensive Care Medicine, Medway Maritime Hospital, Gillingham, UK
12. Department of Anaesthesia, University Hospital Crosshouse, Kilmarnock, UK
13. Plymouth Directorate of Colorectal Surgery
14. Plymouth Directorate of Anaesthesia
15. Cancer Research UK Liverpool Clinical Trials Unit