Fig. 1

Flow chart showing selection of clinical trials and participants in the study. AL = artemether-lumefantrine; DP = dihydroartemisinin-piperaquine; ASMQ = artesunate-mefloquine; ASAQ = artesunate-amodiaquine, and n = number of recrudescences; PCR = Polymerase Chain Reaction; WWARN = WorldWide Antimalarial Resistance Network; ACT = artemisinin-based combination therapy