Noora Nordenstedt, Delfia Marcenaro, Daudi Chilagane, Beatrice Mwaipopo, Minna-Liisa Rajamäki, Susan Nchimbi-Msolla, Paul J. R. Njau, Deusdedith R. Mbanzibwa, Jari P. T. Valkonen
PLoS One. 2017; 12(5): e0178242. Published online 2017 May 25. doi: 10.1371/journal.pone.0178242