Akoko, James; Pelle, Roger; Kivali, Velma; Schelling, Esther; Machuka, Eunice; Mathew, Coletha; Fèvre, Eric; Kyallo, Victoria; Falzon, Laura; Lukambagire, Abdul; Halliday, Jo; Bonfoh, Bassirou; Kazwala, Rudovick; Ouma, Collins; Shirima, Gabriel (BioMed Central Ltd, )