1. School of Pharmacy and Bioengineering, Keele University, Stoke-on-Trent, UK
2. Academic Department of Rehabilitation Medicine, Faculty of Medicine and Health, University of Leeds, Leeds, UK
3. The Orthotic Research and Locomotor Assessment Unit (ORLAU), the Robert Jones and Agnes Hunt Orthopaedic Hospital, NHS Foundation Trust, Oswestry, UK
4. School of Engineering, University of Aberdeen, Aberdeen, UK