1. Department of Psychiatry, Institute of Clinical Medicine; University of Oulu; Oulu Finland
2. Medical Research Center Oulu; Oulu University Hospital and University of Oulu; Oulu Finland
3. Department of Psychiatry; Oulu University Hospital; Oulu Finland
4. Department of Psychiatry, Kuopio University Hospital, and Institute of Clinical Medicine; University of Eastern Finland; Kuopio Finland
5. Social Psychiatry Unit, School of Health Sciences; University of Tampere; Tampere Finland
6. Department of Psychiatry; Tampere University Hospital; Tampere Finland
7. Lapland Hospital District; Rovaniemi Finland
8. Institute of Health Sciences; University of Oulu; Oulu Finland