1. School of Social Sciences Nottingham Trent University Nottingham UK
2. South Wales Clinical Psychology Training Programme Cardiff and Vale University Health Board and Cardiff University Cardiff UK
3. Clinical Psychology Unit University of Sheffield Sheffield UK
4. Sheffield Pulmonary Vascular Disease Unit, Royal Hallamshire Hospital Sheffield Teaching Hospitals NHS Foundation Trust Sheffield UK
5. Health and Wellbeing Service, Sheffield IAPT Sheffield Health and Social Care NHS Foundation Trust Sheffield UK