Drupal-Bibcite0<style face="normal" font="default" size="100%">The effect of a shelf placement intervention on sales of healthier and less healthy breakfast cereals in supermarkets: A co-designed pilot study</style><style face="normal" font="default" size="100%">The effect of a shelf placement intervention on sales of healthier and less healthy breakfast cereals in supermarkets: A co-designed pilot study</style>