Engelhart A, Mason S, Nwaozuru U, Obiezu-Umeh C, Carter V, Shato T, Gbaja-Biamila T, Oladele D, Iwelunmor J. Sustainability of breastfeeding interventions to reduce child mortality rates in low, middle-income countries: A systematic review of randomized controlled trials. Front Health Serv. 2022; 2:889390.