Performance of three rapid diagnostic tests for the detection of Cryptosporidium spp. and Giardia duodenalis in children with severe acute malnutrition and diarrhoea by Bitilinyu-Bangoh, J, Voskuijl, W, Thitiri, J, Menting, S, Verhaar, N, Mwalekwa, L, De Jong, D, Van Loenen, M, Mens, P, Berkley, J, Bandsma, R, Schallig, H