Table 1.
Geographical region | Number of studies |
---|---|
Africa |
19 |
Southeast Asia |
14 |
Americas |
8 |
Western Pacific |
1 |
Total | 42 |
Geographical region | Number of studies |
---|---|
Africa |
19 |
Southeast Asia |
14 |
Americas |
8 |
Western Pacific |
1 |
Total | 42 |