title: Data error in study of moderate-to-vigorous physical activity from ages 9 to 15 years.
authors.forename: Phillip R
authors.initials: PR
authors.lastname: Nader
authors.forename: Robert H
authors.initials: RH
authors.lastname: Bradley
authors.forename: Renate M
authors.initials: RM
authors.lastname: Houts
mesh_terms: D000293:Adolescent; D002648:Child; D003627:Data Interpretation, Statistical; D015444:Exercise; D006801:Humans