Human African trypanosomiasis in the Democratic Republic of the Congo: a looming emergency? - Epco Hasker; Pascal Lutumba; François Chappuis; Victor Kande; Julien Potet; Anja De Weggheleire; Charles Kambo; Evelyn Depoortere; Bernard Pécoul; Marleen Boelaert (PLoS Neglected Tropical Diseases, 2012)