6184 | Erdem, 2020 | 2 | 11 | 0 | excluded | not a RCT | risk of bias not avaialble |
6262 | Yamamura, 2020 | 2 | 30 | 0 | excluded | not a RCT | risk of bias not avaialble |
6267 | Murohashi, 2020 | 2 | 10 | 0 | excluded | not a RCT | risk of bias not avaialble |
6526 | Dabbous, 2021 | 2 | 1 | 3 | excluded | high risk of bias |