title: More clarity needed in the Navigation Guide systematic review framework.
authors.affiliation: Gradient, 20 University Road, Cambridge, MA 02138, United States. Electronic address: jgoodman@gradientcorp.com.
authors.forename: Julie E
authors.initials: JE
authors.lastname: Goodman
authors.affiliation: Gradient, 20 University Road, Cambridge, MA 02138, United States.
authors.forename: Heather N
authors.initials: HN
authors.lastname: Lynch
authors.affiliation: American Chemistry Council, 700 Second Street, NE, Washington, DC 20002, United States.
authors.forename: Nancy B
authors.initials: NB
authors.lastname: Beck