1. Department of Pain Medicine, The James Cook University Hospital, Middlesbrough, UK
2. Liverpool Reviews and Implementation Group, Department of Health Data Science, University of Liverpool, Liverpool, UK
3. Saluda Medical Pty Ltd, Artarmon, NSW, Australia
4. Pain Medicine and Neuromodulation, Mid & South Essex University Hospitals, Essex, UK
5. Department of Neurosurgery, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
6. Department of Anaesthesia, Perioperative Medicine, Pain and Critical Care, The Royal Marsden NHS Foundation Trust, London, UK
7. Pain Medicine, University Hospitals Plymouth NHS Trust, Plymouth, UK
8. Pain Management Service, Leeds Teaching Hospitals NHS Trust, Leeds, UK
9. Main Pharmacy, The James Cook University Hospital, Middlesbrough, UK