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Characteristics of included studies (N = 15)
| Article characteristics | N (%) |
|---|---|
| Study country | |
| Kenya | 4 (26.6) |
| South Africa | 3 (20) |
| Nigeria | 3 (20) |
| Ghana | 2 (13.3) |
| DR Congo | 1 (6.7) |
| Malawi | 1 (6.7) |
| Senegal | 1 (6.7) |
| Publication year | |
| 2012 - 2017 | 15 (100) |
| 2007 - 2011 | 0 (0) |
