Fig. 4

Number and proportion of publications (n = 203) by country income group. LMIC = low- and middle-income countries; HIC = high-income countries, LMHIC = low- and middle- and high-income countries
Number and proportion of publications (n = 203) by country income group. LMIC = low- and middle-income countries; HIC = high-income countries, LMHIC = low- and middle- and high-income countries