Fig. 1

Schedule of enrolment, interventions, and assessments. Information about the diagnostic measures can be found in themanuscript text. Time points: -t1 = First contact and enrolment to the study; t0 = Baseline assessment; tx = Appassessments; t1 = After 16 weeks, Assessment at the end of intervention treatment group/begin treatment waiting group; t2= After 32 weeks, Follow-up I for treatment group/end of intervention waiting group; t3 = After 48 weeks, Follow-up IItreatment group/follow-up waiting group; t4 = After 48 weeks, Follow-up II waiting group. X means assessment in thetreatment and waiting group unless it is indicated that the assessment is only carried out in one specific group. TG=treatment group; WG = waiting group. p=assessed in parents, c = assessed in children, t =assessed in therapist. * only TG,** only WG