1. Research and Development Unit, Tavistock Centre, Tavistock and Portman NHS Foundation Trust, London, United Kingdom
2. Institute of Psychology, Health and Society, Waterhouse Building, Block B, Brownlow Street, University of Liverpool, Liverpool, United Kingdom
3. PSC Support, Didcot, United Kingdom
4. Sheila Sherlock Liver Centre and UCL Institute of Liver and Digestive Health, Royal Free Hospital, London, United Kingdom
5. Research Department of Clinical, Educational & Health Psychology, University College London, London, United Kingdom
6. Department of Science and Technology Studies, University College London, London, United Kingdom