| Study | Reason for exclusion |
|---|---|
| ChiCTR1800019466 | Not a randomized clinical trial. |
| ChiCTR‐OON‐16010205 | Not a randomized clinical trial. |
| IRCT2013111313567N5 | Patient population did not meet our eligibility criteria. |
| Maher 2018 | Not a randomized clinical trial. |
| Ngo 2018 | Intervention did not meet our eligibility criteria. |
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