title: Editorial comment.
authors.forename: Luis
authors.initials: L
authors.lastname: Guerra
mesh_terms: D002648:Child; D017281:Cost of Illness; D006760:Hospitalization / Q000191:economics* / Q000706:statistics & numerical data; D006801:Humans; D014481:United States / Q000453:epidemiology; D052878:Urolithiasis / Q000191:economics* / Q000453:epidemiology