1. Savo Vocational College Social and Health Services; Kuopio Finland
2. School of Health Sciences, Nursing Science; University of Tampere; Tampere Finland
3. Department of Psychiatry; School of Medicine and Paijat-Hame Central Hospital; University of Tampere; Lahti Finland
4. University of Eastern-Finland; Joensuu Finland
5. Department of Adolescent Psychiatry; Kuopio University Hospital and University of Eastern-Finland; Kuopio Finland