Consumers' food choices, understanding and perceptions in response to different front-of-pack nutrition labelling systems in Belgium: results from an online experimental study., Vandevijvere, Stefanie, Vermote Marie, Egnell Manon, Galan Pilar, Talati Zenobia, Pettigrew Simone, Hercberg Serge, and Julia Chantal , Arch Public Health, 2020, Volume 78, (2020)