Study | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | Summary assessment |
---|---|---|---|---|---|---|---|---|---|---|
Cai et al. [22] | + | ? | + | + | ? | ? | ? | + | + | Unclear |
Chikazu et al. [30] | + | ā | + | + | ā | ā | ? | + | + | High |
Goodman et al. [29] | ? | + | + | + | ā | ? | ā | + | + | High |
Goodman et al. [26] | ? | + | + | + | ā | ? | ā | + | + | High |
Pablos et al. [31] | + | ? | + | + | ā | ā | ? | + | + | High |
Ribeiro et al. [27] | + | ? | + | + | ā | ā | ? | + | + | High |
Ribeiro et al. [28] | + | ? | + | + | ā | ā | ? | + | + | High |
Salduz et al. [32] | ā | + | + | + | ? | ā | + | + | + | High |