1. Institute of Psychiatry, Kings College London, London, UK;
2. British Medical Association, London, UK;
3. Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (NDORMS), University of Oxford, Oxford, UK;
4. GKT School of Medical Education, King’s College London, London, UK;
5. Department of ENT, Royal Lancaster Infirmary, Lancaster, UK;
6. Oxford Health NHS Foundation Trust, Oxford, UK;
7. Oxford University, Oxford, UK;
8. Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy