Safety and immunogenicity of malaria vectored vaccines given with routine EPI vaccines in Gambian infants and neonates: a randomized controlled trial by Mensah, V, Roetynck, S, Kanteh, E, Bowyer, G, Bliss, C, Roberts, R, Gerry, S, Lawrie, A, Imoukhuede, E, Ewer (nee Russell), K, Hill, A