The challenges of introducing routine G6PD testing into radical cure: a workshop report by Ley, B, Luter, N, Espino, F, Devine, A, Kalnoky, M, Lubell, Y, Thriemer, K, Baird, J, Poirot, E, Conan, N, Kheong, C, Dysoley, L, Khan, W, Dion-Berboso, A, Bancone, G, Hwang, J, Kumar, R, Price, R, von Seidlein, L, Domingo, G