1. Effectiveness of after-school interventions at increasing moderate-to-vigorous physical activity levels in 5- to 18-year olds: a systematic review and meta-analysis. Issue 21 (24th May 2016) Authors: Mears, Ruth; Jago, Russell Journal: British journal of sports medicine Issue: Volume 50:Issue 21(2016) Page Start: 1315 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗