Table 2. Results of quality assessment.
| Study | Criteria | |||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |
| Byun et al., 2019 | Yes | Yes | Unclear | Unclear | Yes | Yes | Yes | Yes | Yes | Yes |
| Compagnone et al., 2022 | No | Yes | Yes | Unclear | Yes | Yes | Yes | Yes | Yes | Yes |
| Min et al., 2018 | Unclear | Yes | Yes | Unclear | Yes | Yes | Unclear | Yes | No | Yes |
| Zhu et al., 2015 | Unclear | Yes | Yes | Unclear | Yes | Yes | Unclear | Yes | Yes | Yes |