1. National Research and Development Centre for Welfare and Health in Finland,
2. National Research and Development Centre for Welfare and Health in Finland
3. Netherlands Institute of Mental Health and Addiction, Trimbos-instituut, Utrecht, The Netherlands
4. Institute of General Practice and Community Medicine, University of Oslo, Norway
5. René Descartes University, Paris, France
6. Health Development Agency, London, UK
7. Central Institute of Mental Health, Mannheim, Germany