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Study design. A, Diagram of the timeline of data collection at semiweekly visits, as well and sample collection. B, Key terms and variables are described. Abbreviations: ASV, amplicon sequence variant; CODA, community diarrheal assessment tool; NS/NS, not born stunted, not stunted at the time of sampling; LAZ, length-for-age z-score; S/Sv, stunted and severely stunted at sampling; WAZ, weight-for-age z-score; WHO, World Health Organization; WLZ, weight-for-length z-score.
