title: Prevalence underestimated in problematic Internet use study.
authors: Jerald J
authors: JJ
authors: Block
mesh_terms: D015982:Bias; D003192:Compulsive Behavior / Q000175:diagnosis / Q000453:epidemiology*; D003430:Cross-Sectional Studies; D006801:Humans; D020407:Internet / Q000706:statistics & numerical data*; D014481:United States; D018910:Video Games / Q000706:statistics & numerical data