1. Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, Manchester, UK
2. Division of Nursing, Midwifery & Social Work, School of Health Science, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
3. Academic Department of Rehabilitation Medicine, The University of Leeds, Leeds, UK
4. Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, University of Manchester, Manchester, UK