“…Treatment research has focused primarily on acute treatment, yet many disorders, such as ADHD or early-onset depression, are frequently chronic or recurrent. As Kölch and Plener [1] themselves point out, pharmacological treatment, although often highly effective in the short term, lacks proven long-term efficacy and presents substantial variability in clinical treatment outcome, optimal dosage, and tolerability. Examples from the most prevalent disorders may exemplify this challenge: In youth with depression, remission rates are low, despite a huge increase in treatment research in the past 20 years.…”