1. Division of Trauma and Orthopaedic Surgery, University of Cambridge, Cambridge, UK
2. Sheffield Children’s Hospital NHS Trust, Sheffield, UK
3. Leeds Teaching Hospitals NHS Trust, Leeds, UK
4. James Lind Alliance, National Institute for Health and Care Research, School of Healthcare Enterprise and Innovation, University of Southampton, Southampton, UK
5. Warwick Clinical Trials Unit, University of Warwick, Coventry, UK