1. Faculty of Health and Social Sciences, Department of Health, Social and Welfare Studies, University of South-Eastern Norway, Drammen, Norway
2. Mental Health Services, Akershus University Hospital, Lørenskog, Norway
3. Research and Development Centre, Skaraborg hospital, Skövde, Sweden
4. Department of Psychotic Disorders, Sahlgrenska University Hospital, Gothenburg, Sweden
5. Institute of Health and Care Sciences, University of Gothenburg, Gothenburg, Sweden
6. Department of Psychiatry and Neurochemistry, University of Gothenburg, Gothenburg, Sweden
7. Department of Health Care Sciences, Marie Cederschiöld University College, Stockholm, Sweden
8. Swedish Family Care Competence Centre, Kalmar, Sweden