Fig. 2From: Understanding the influence of stakeholders on the implementation of front-of-pack nutrition labelling in the absence of public debate: the case of PortugalMain strategic documents and historical markers in the field of front-of-pack labelling for the period 2009–2021 in Portugal and Europe. WHO World Health Organization, DGS Directorate-General of Health, PNPAS National Programme for the Promotion of Healthy Eating in Portugal, EIPAS Integrated Strategy for the Promotion of Healthy Eating in Portugal, BE Bloco de Esquerda (left-wing socialist political party), PAN Pessoas-Animais-Natureza (environmentalist and animal rights focused political party), FoPL Front-of-Pack Label, MTL Multiple Traffic Lights systemBack to article page