%0 Journal Article %T Informing a roadmap for cross©\sectoral collaboration on portion size management as a national strategy to improve population nutrition ¨C a Delphi study %A D. Ty %A O. Barata©\Cavalcanti %A S. Costa %A T. T.©\K. Huang %A W. Novelli %J Archive of "Obesity Science & Practice". %D 2019 %R 10.1002/osp4.331 %X Addressing food portion sizes is a key untapped opportunity to help tackle obesity. This study sought to inform the agenda of a national movement involving diverse sectors to manage portion sizes in packaged foods, restaurants, cafeterias and prepared foods in grocery stores %K Delphi survey %K nutrition %K portion size %K public¨Cprivate partnership %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6587328/