PubMed:: "Attention Deficit Disorder with Hyperactivity"[Mesh] OR attention deficit disorder*[tiab] OR hyperkinetic syndrome*[tiab] OR attention deficit Hyperactivity disorder*[tiab] OR adHd[tiab] OR add[tiab] OR Minimal Brain dysfunction*[tiab];; Embase.com:: 'attention deficit disorder'/exp OR ('attention deficit' NEXT/1 disorder*):ab,ti OR (hyperkinetic NEXT/1 syndrome*):ab,ti OR ('attention deficit hyperactivity' NEXT/1 disorder*):ab,ti OR 'adhd':ab,ti OR 'add':ab,ti OR ('minimal brain' NEXT/1 dysfunction*):ab,ti;; PsycInfo:: DE "Attention Deficit Disorder with Hyperactivity" OR TI ("attention deficit disorder*" OR "hyperkinetic syndrome*" OR "attention deficit hyperactivity disorder*" OR adhd OR add OR "minimal brain dysfunction*") OR AB ("attention deficit disorder*" OR "hyperkinetic syndrome*" OR "attention deficit hyperactivity disorder*" OR adhd OR add OR "minimal brain dysfunction*")