Determinants of immunisation dropout among children under the age of 2 in Zambézia province, Mozambique: a community-based participatory research study using Photovoice oleh Bvudzai Priscilla Magadzire, Kristin Beima-Sofie, Baltazar Chilundo, Jocelyn Powelson, Abel Draiva, Donna Denno, Abdul Ibraimo, Bonifácia Beleza Lucas Benate, Lídia Carlos Jahar, Zélia Marrune, Jalilo Ernesto Chinai, Michelle Emerson, Emily Lawrence