Table 4. List of representing countries by region.

Country	ICM Region	Country income group	Number of papers
Brazil	Americas	Upper middle	10
South Africa	Africa	Upper middle	10
Iran	Eastern Mediterranean	Lower middle	4
Indonesia	South-East Asia	Lower middle	3
Pakistan	Eastern Mediterranean	Lower middle	3
Bangladesh	South-East Asia	Lower middle	2
China	Western Pacific	Upper middle	2
India	South-East Asia	Lower middle	2
Mexico	Americas	Upper middle	2
Nepal	South-East Asia	Lower middle	1
Philippines	Western Pacific	Lower middle	1
Sierra Leone	Africa	Low	1

Note: One paper covered two countries, which is why the numbers sum to 41 rather than 40.