1. Division Mental Health Services; Akershus University Hospital; Lørenskog Norway
2. Institute of Clinical Medicine, Regional Research Network in Psychotic Disorders; University of Oslo; Oslo Norway
3. National Centre for Knowledge Through Experience in Mental Health; Skien Norway
4. Helse Sør-Øst Health Services Research Centre; Akershus University Hospital; Lørenskog Norway
5. Institute of Psychiatry, Psychology and Neuroscience; King's College London; London UK