title: Retrospective and prospective design and data.
authors.affiliation: Department of Sociology, University of Stockholm, Sweden.
authors.forename: C G
authors.initials: CG
authors.lastname: Janson
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D015331:Cohort Studies; D003625:Data Collection; D005260:Female; D006801:Humans; D007223:Infant; D008137:Longitudinal Studies; D008297:Male; D001523:Mental Disorders / Q000453:epidemiology* / Q000523:psychology; D015233:Models, Statistical; D010553:Personality Development; D011446:Prospective Studies; D012189:Retrospective Studies