Study | First item | Second item | Third item | Fourth Item | Fifth item | Sixth item | Seventh item | Eighth item | Scores |
---|
Zimmermann et al. [20] | 1 | 1 | 0 | 1 | 2 | 1 | 1 | 1 | 8 |
Tressler et al. [21] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 9 |
Yin et al. [22] | 1 | 1 | 0 | 1 | 2 | 1 | 1 | 1 | 8 |
Hackl et al. [23] | 1 | 1 | 0 | 1 | 2 | 1 | 1 | 1 | 8 |