| Study | Reason for exclusion |
|---|---|
| Anceschi 2013 | Route of administration does not meet inclusion criteria. |
| Boylu 2009 | Study design does not meet inclusion criteria. |
| Checcucci 2019a | Study design does not meet inclusion criteria. |
| Coelho 2011 | Study design does not meet inclusion criteria. |
| Salvaggio 2009 | Route of administration does not meet inclusion criteria. |
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