Figure 3
The horizontal bar chart lists countries on the left side and the number of studies on the right side represented by horizontal bars. The countries and their corresponding values are shown as follows. Indonesia: 12. China: 7. Malaysia: 5. India: 4. South Korea: 4. U S A: 3. Multiple country: 3. U K: 2. Egypt: 2. Turkey: 1. Spain: 1. Serbia: 1. Hong Kong: 1. Brazil: 1.Geographical contexts