Identification and immune assessment of T cell epitopes in five Plasmodium falciparum blood stage antigens to facilitate vaccine candidate selection and optimization by Kotraiah, V, Phares, TW, Terry, FE, Hindocha, P, Silk, SE, Nielsen, CM, Moise, L, Tucker, KD, Ashfield, R, Martin, WD, De Groot, AS, Draper, SJ, Gutierrez, GM, Noe, AR