Vaccine confidence and hesitancy among mothers of children under six years of age in Salvador, Brazil: The role of sociodemographic factors and health service experience - Claudia Nery Teixeira Palombo; Ednir Assis Souza; Érica Marvila Garcia; Ráren Paulo da Silva Araújo; Lucas Regis de Oliveira Santos; Marcelle Lemos Leal; Aline Anne Cavalcante de Oliveira; Ana Paula Sayuri Sato; Clariana Vitória Ramos de Oliveira (PLoS ONE, 2026)