Primary research by Cosmas Zyambo and colleagues. DOI: 10.1371/journal.pone.0345368.
Primary research by Su D. Yang and colleagues. DOI: 10.1371/journal.pone.0327692.
Primary research by Ademe Mihiretu and colleagues. DOI: 10.1371/journal.pone.0353275.
Primary research by Deogratius W Kinoko and colleagues. DOI: 10.1371/journal.pone.0343753.
Primary research by Gabieba Donough and colleagues. DOI: 10.1371/journal.pone.0353215.
Primary research by John Baptist Asiimwe and colleagues. DOI: 10.1371/journal.pone.0327266.
Primary research by Abel Desalegn Demeke and colleagues. DOI: 10.1371/journal.pone.0354484.
Primary research by Eyob Girma Abera and colleagues. DOI: 10.1371/journal.pone.0354518.
Primary research by Girmaw Mulugeta and colleagues. DOI: 10.1371/journal.pone.0353951.
Primary research by Eshetu Mekonnen and colleagues. DOI: 10.1371/journal.pone.0354982.