Data collection and procedure
Participants in this study were recruited between November 2015 and August 2017 [Psychologists had professional responsibility for the service at each site. Ten therapists were included in the current study. The number of clients per therapist ranged from eight to 90 clients (m = 52). The majority of clients started with a four-session psychoeducational course. Low-intensity self-help programs were to a limited extent accessible throughout the trial period. Most clients received only low-intensity treatment in terms of group-based psychoeducation (36.5%) or a combination of low and high-intensity interventions (33%). Furthermore, 29.4% primarily received high-intensity treatment. Only 1% received guided self-help [