Persistence of childhood symptoms until maturity.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002653:Child Behavior Disorders / Q000175:diagnosis*; D002675:Child, Preschool; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D011602:Psychophysiologic Disorders / Q000175:diagnosis