. 2023 Apr 18;11(8):1161. doi: 10.3390/healthcare11081161
© 2023 by the authors.
Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Figure 2.
Summary of continents selected for study.