Primary research by Zawadi Edward Kalezi and colleagues. DOI: 10.1371/journal.pone.0345457.
Primary research by Daniel Teshome Gebeyehu and colleagues. DOI: 10.1371/journal.pone.0346594.
Primary research by Mulat Belay Simegn and colleagues. DOI: 10.1371/journal.pone.0346903.
Primary research by Wolde Abreham Geda and colleagues. DOI: 10.1371/journal.pone.0327705.
Primary research by Berihun Agegn Mengistie and colleagues. DOI: 10.1371/journal.pone.0346045.
Primary research by Cynthia Mmalebna Amisigo and colleagues. DOI: 10.1371/journal.pone.0347099.
Primary research by Kwanele Siyabonga Simelane and colleagues. DOI: 10.1371/journal.pone.0346799.
Primary research by Thwala Siphiwe Bridget Pearl and colleagues. DOI: 10.1371/journal.pone.0346119.
Primary research by William Boateng and colleagues. DOI: 10.1371/journal.pone.0344837.
Primary research by Ritbano Ahmed Abdo and colleagues. DOI: 10.1371/journal.pone.0346885.