1 Research Institute, Primary Care and Health Sciences, Keele University, Staffs, and Honorary Professor of Primary Care Mental Health, South Staffordshire and Shropshire NHS Foundation Trust.
2 Specialist Psychotherapies Service and Medically Unexplained Symptoms Service, Birmingham and Solihull Mental Health NHS Foundation Trust.
3 Research Institute, Primary Care and Health Sciences, Keele University, Staffs, and South Staffordshire and Shropshire NHS Foundation Trust.
4 Research Department of Primary Care and Population Health, University College London Medical School (Royal Free Campus), London.
5 Research Institute, Primary Care and Health Sciences, Keele University, Staffs.
6 Research Institute for Primary Care and Health Sciences. Faculty of Medicine and Health Sciences, Keele University, Staffs, and Honorary Consultant Psychiatrist, South Staffordshire and Shropshire NHS Foundation Trust.