1. Centre for Psychiatry, Imperial College London, London, UK
2. Regional Sleep Service, Freeman Hospital, Newcastle Upon Tyne, UK
3. Clinical and Experimental Sciences, University of Southampton, Southampton, UK
4. Sleep Research Centre, University of Surrey, Guildford, UK
5. Psychology Department, NHS Fife, Dunfermline, UK
6. Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK
7. Guy’s and St Thomas’ NHS Foundation Trust, London, UK
8. Psychiatry and Behavioral Science, University of California, San Francisco, CA, USA
9. Royal London Hospital for Integrated Medicine, London, UK
10. Department of Psychiatry, University of Oxford, Oxford, UK