Adolescent Psychiatry; Child Behavior Disorders; Child Psychiatry; Data Interpretation, Statistical; Regression Analysis; Teaching; Meta-Analysis as Topic; Epidemiologic Factors; Bias; Causality; Confounding Factors, Epidemiologic; Effect Modifier, Epidemiologic; Linear Models; Logistic Models; Proportional Hazards Models; Publication Bias; Peer Review, Research; Disease-Free Survival; Evidence-Based Medicine; Substance-Related Disorders; Kaplan-Meier Estimate; Multilevel Analysis; Psychiatry and Psychology; Network Meta-Analysis; Mentoring