1. Neurosciences Research Centre, Molecular and Clinical Sciences Research Institute, St George’s University of London, London, United Kingdom; Department of Experimental and Clinical Medicine, University of Messina
2. Molecular and Clinical Sciences Research Institute, St George’s University of London, London, United Kingdom Cranmer Terrace, Jenner Wing, Ground Floor, Corridor 10, Room 0.135, London, SW17 0RE, UK
3. Department of Rehabilitation Medicine, The Walton Centre NHS Foundation Trust, Liverpool, UK
4. Department of Rehabilitation Medicine, Cambridge University Hospital NHS Foundation Trust, Addenbrooke’s Hospital, Cambridge, UK
5. Department of Medicine and Gerontology, University Hospital of Wales, Cardiff, UK