Evaluation of physical activity calorie equivalent (PACE) labels' impact on energy purchased in cafeterias: A stepped-wedge randomised controlled trial.
James P ReynoldsMinna VentselAlice HobsonMark A PillingRachel PecheySusan A JebbGareth J HollandsTheresa M MarteauPublished in: PLoS medicine (2022)
The study was prospectively registered on ISRCTN (date: 30.03.21; ISRCTN31315776).