
Figure 1
PRISMA Style Flow Diagram of Systematic Review.

Figure 2
Countries visited as compared to countries in greatest need by poverty, health, or human development indicator data.

© 2019 Keerteshwrya Mishra, Sonal Jessel, Jacob Lurie, Kane O. Pryor, Gunisha Kaur, published by Ubiquity Press
This work is licensed under the Creative Commons Attribution 4.0 License.