title: Epidemiology.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged; D012507:Sarcoidosis / Q000453:epidemiology*