Article Atomoxetine Hydrochloride Attention Deficit Disorder with Hyperactivity Central Nervous System Stimulants Child Humans JMDC Japan Male Methylphenidate Pharmaceutical Preparations Retrospective Studies adolescent adult aged atomoxetine attention deficit disorder attention deficit hyperactivity disorder central stimulant agent child cohort analysis drug drug contraindication female follow up guanfacine health behavior human label compliance major clinical study