. 2020 Dec 1;22(12):e24087. doi: 10.2196/24087
©Sathyanarayanan Doraiswamy, Amit Abraham, Ravinder Mamtani, Sohaila Cheema. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 01.12.2020.
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Figure 2.
Number of articles based on the World Bank’s classification of countries by income level (N=543).