title: Children's screen viewing is related to psychological difficulties irrespective of physical activity.
authors.affiliation: Centre for Exercise, Nutrition, and Health Sciences, School for Policy Studies, University of Bristol, Tyndall Avenue, Bristol BS8 1TH, United Kingdom. a.s.page@bris.ac.uk
authors.forename: Angie S
authors.initials: AS
authors.lastname: Page
authors.forename: Ashley R
authors.initials: AR
authors.lastname: Cooper
authors.forename: Pippa
authors.initials: P
authors.lastname: Griew
authors.forename: Russell
authors.initials: R
authors.lastname: Jago