1. Pain Management Unit, University Hospital of North Durham; County Durham and Darlington NHS Foundation Trust; Durham UK
2. First Step; Cumbria Partnership NHS Foundation Trust; Penrith UK
3. Institute of Neuroscience, Newcastle University; Newcastle Cognitive and Behavioural Therapies Centre, Northumberland, Tyne and Wear NHS Foundation Trust; Newcastle UK
4. University Centre for Rural Health (North Coast); University of Sydney; Sydney Australia