Impact of outdoor residual spraying on the biting rate of malaria vectors: A pilot study in four villages in Kayin state, Myanmar by Chaumeau, V, Kajeechiwa, L, Kulabkeeree, T, Vishwakarma, RK, Wasisakun, P, Hsel, SN, Oo, K, Dah, T, Sawasdichai, S, Trakoolchengkaew, M, Phanaphadungtham, M, Inta, A, Akararungrot, Y, Lee, NY, Kankew, P, Wiladphaingern, J, Mukaka, M, Delmas, G, Nosten, F