Fig. 2

Number of included articles from LMICs across the world. Articles emanated from the following countries: Africa: Burundi (n = 1), Côte d'Ivoire (n = 1), Democratic Republic of Congo (n = 3), Ethiopia (n = 16), Ghana (n = 17), Kenya (n = 17), Lesotho (n = 3), Malawi (n = 6), Mozambique (n = 12), Namibia (n = 1), Niger (n = 1), Nigeria (n = 9), Rwanda (n = 15), Senegal (n = 1), Sierra Leone (n = 1), South Africa (n = 12), Tanzania (n = 25), Uganda (n = 16), Zambia (n = 13), Zimbabwe (n = 1). Asia: Afghanistan (n = 1), Bangladesh (n = 6), Cambodia (n = 2), India (n = 8), Indonesia (n = 1), Laos (n = 1), Malaysia (n = 1), Myanmar (n = 2), Nepal (n = 3), Pakistan (n = 2), Taiwan (n = 1), Thailand (n = 1), Vietnam (n = 2). Latin America: Bolivia (n = 1), Brazil (n = 1), Dominican Republic (n = 1), Ecuador (n = 1), Guatemala (n = 3), Haiti (n = 1), Nicaragua (n = 1). Middle East: Jordan (n = 1), Lebanon (n = 1). The size of the circle corresponds with the number of articles emanating from the given country