title: Another milestone.
authors.forename: Jean
authors.initials: J
authors.lastname: Krieger
authors.forename: Michael V
authors.initials: MV
authors.lastname: Vitiello
mesh_terms: D006801:Humans; D010506:Periodicals as Topic / Q000639:trends*; D012890:Sleep; D056508:Sleep Medicine Specialty / Q000639:trends*; D012893:Sleep Wake Disorders / Q000517:prevention & control*