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National-level dietary supplies of K (DSK), and K sufficiency ratio (KSR) in (a–d) 1997 and (e–h) 2017. KSR was calculated using the K AI recommendations by: (b,f) the Institute of Medicine in 2006 (AIK_06), (c,g) National Academies of Sciences in 2019 (AIK_19), and (d,h) the European Union (AIK_EU).
