1. Department of Spinal Surgery, Manchester Centre for Clinical Neurosciences, Salford, UK
2. Division of Population Health, The University of Manchester, Manchester, UK
3. MCAS St Helens Community Health Services, Merseycare NHS Foundation Trust, UK
4. Emergency Department, Salford Care Organisation, Northern Care Alliance, Salford, UK
5. Orthopaedic Department, Salford Care Organisation, Northern Care Alliance, Salford, UK