| Study | Reason for exclusion |
|---|---|
| Abdel‐Kader 2011 | Wrong target population |
| Chen 2011e | Wrong intervention |
| Korus 2017 | Wrong target population |
| Morales‐Barria 2016 | Wrong study design |
| RaDIANT 2014 | Wrong target population |
| Roberto 2009 | Wrong target population |
| SMILE 2010 | Wrong intervention |
| Warren 2009 | Wrong study design |
| Wilson 2014 | Wrong target population |
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