title: Schnitzer et al. respond.
authors.forename: Patricia G
authors.initials: PG
authors.lastname: Schnitzer
authors.forename: Theresa M
authors.initials: TM
authors.lastname: Covington
authors.forename: Heather K
authors.initials: HK
authors.lastname: Dykstra
mesh_terms: D004777:Environment; D005260:Female; D006801:Humans; D008297:Male; D012890:Sleep; D013398:Sudden Infant Death / Q000453:epidemiology*