Verrest, Luka; Kip, Anke E; Musa, Ahmed M; Schoone, Gerard J; Schallig, Henk D F H; Mbui, Jane; Khalil, Eltahir A G; Younis, Brima M; Olobo, Joseph; Were, Lilian; Kimutai, Robert; Monnerat, Séverine; Cruz, Isra; Wasunna, Monique; Alves, Fabiana; Dorlo, Thomas P C