Protocol: the International Milk Composition (IMiC) Consortium - a harmonized secondary analysis of human milk from four studies. - Fehr K; Mertens A; Shu CH; Dailey-Chwalibóg T; Shenhav L; Allen LH; Beggs MR; Bode L; Chooniedass R; DeBoer MD; Deng L; Espinosa C; et al. (Frontiers in nutrition, 2025)