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. 2023 Oct 19;10:1170831. doi: 10.3389/fnut.2023.1170831

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Copyright © 2023 Di Maso, Bravi, Polesel, Dal Maso, Patel, La Vecchia and Ferraroni.

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Scatter plot of study subjects according to diversity indices. Italy, 1991–2008. Dotted lines represent quartiles for NFD (y-axis) and FVS (x-axis); the black boxes represent regions with classification agreement according to quartiles of the two indices; the black circles represent subjects’ classification agreement and gray circles represent subjects’ classification disagreement according to quartiles of the two indices. NFD, Nutritional Functional Diversity indicator; FVS, Food Variety Score.