Primary research by Atala Jongo and colleagues. DOI: 10.1371/journal.pone.0351137.
Primary research by Loema Moshi Buyi and colleagues. DOI: 10.1371/journal.pone.0347186.
Primary research by Amanuel Yoseph and colleagues. DOI: 10.1371/journal.pone.0349603.
Primary research by Chidozie Ezechukwu and colleagues. DOI: 10.1371/journal.pone.0350510.
Primary research by Mesafint Amare Kebede and colleagues. DOI: 10.1371/journal.pone.0351987.
Primary research by Magreth Theophil and colleagues. DOI: 10.1371/journal.pone.0352024.
Primary research by Donath Mkenda Valerian and colleagues. DOI: 10.1371/journal.pone.0352189.
Primary research by Cynthia Serwaa Akoto Osei and colleagues. DOI: 10.1371/journal.pone.0351632.
Primary research by Mahunan Gerard Sossou and colleagues. DOI: 10.1371/journal.pone.0350120.
Primary research by Florence Gyembuzie Wongnaah and colleagues. DOI: 10.1371/journal.pone.0348770.