Primary research by Kibir Temesgen Assefa and colleagues. DOI: 10.1371/journal.pone.0348076.
Primary research by Funmito Omolola Fehintola and colleagues. DOI: 10.1371/journal.pone.0347739.
Primary research by Mordicai Atinga and colleagues. DOI: 10.1371/journal.pone.0343140.
Primary research by Hamidou Ilboudo and colleagues. DOI: 10.1371/journal.pone.0348192.
Primary research by Mebrahtom Birhane Tikue and colleagues. DOI: 10.1371/journal.pone.0344163.
Primary research by Abdoul Kader Ilboudo and colleagues. DOI: 10.1371/journal.pone.0347146.
Primary research by Kasiye Shiferaw and colleagues. DOI: 10.1371/journal.pone.0348774.
Primary research by Margaret N Mwangi and colleagues. DOI: 10.1371/journal.pone.0346796.
Primary research by Victor Luckyboy Dzramado and colleagues. DOI: 10.1371/journal.pone.0344395.
Primary research by Hagos T. Atalay and colleagues. DOI: 10.1371/journal.pone.0349104.