PROTOCOL: Artificial Intelligence and Other Digital Tools Used by, and for Community Health Workers (CHWs) in Low and Middle-Income Countries (LMICs) to Improve Outcomes and Increase Effectiveness: An Evidence and Gap Map. - Philbrick WC; Milnor J; Mekuria FT; Mbachu P; Mechael P; Ssennoga B; Aranda Z (Campbell systematic reviews, 2026)