Prevalence and associated factors of delay in seeking malaria treatment among under five children in the Horn of Africa: A systematic review and meta-analysis - Muluken Chanie Agimas; Mekuriaw Nibret Aweke; Berhanu Mengistu; Lemlem Daniel Baffa; Elsa Awoke Fentie; Ever Siyoum Shewarega; Aysheshim Kassahun Belew; Esmael Ali Muhammad (PLoS ONE, 2025)