Nutritional trends among children under the age of five in Zambia: A repeated cross sectional analysis using Zambia demographic health survey (2002–2018) - Namukolo Mukubesa; Leah Kamulaza; Mutale Sampa; Atupele Chisiza; Nasilele Amatende; Hope Sabao; Wilbroad Mutale (PLoS ONE, 2026)