[1] Univ Tampere, Tampere Med Sch, Tampere 33014, Finland
[2] Univ Tampere, Tampere Sch Publ Hlth, FIN-33101 Tampere, Finland
[3] Tampere Univ Hosp, Dept Adolescent Psychiat, Tampere, Finland
[4] Tampere Univ Hosp, Psychiat Treatment & Res Unit Adolescent Intens C, Tampere, Finland