title: Author response. Commentary: gilding the black box.
authors.forename: Sharon
authors.initials: S
authors.lastname: Schwartz
authors.forename: Danella
authors.initials: D
authors.lastname: Hafeman
authors.forename: Ulka
authors.initials: U
authors.lastname: Campbell
authors.forename: Nicolle
authors.initials: N
authors.lastname: Gatto
mesh_terms: D015984:Causality; D015340:Epidemiologic Research Design; D006801:Humans; D008962:Models, Theoretical