Spectrum-Malaria: a user-friendly projection tool for health impact assessment and strategic planning by malaria control programmes in sub-Saharan Africa by Hamilton, M, Mahiane, G, Werst, E, Sanders, R, Briët, O, Smith, T, Cibulskis, R, Cameron, E, Bhatt, S, Weiss, D, Gething, P, Pretorius, C, Korenromp, E