Study | A | B | C | D | E | F | Total |
---|---|---|---|---|---|---|---|
He et al. [20] | √ | √ | √ | √ | √ | 5 | |
Chen et al. [27] | √ | √ | √ | √ | 4 | ||
Huang et al. [21] | √ | √ | √ | √ | √ | 5 | |
Oliveira et al. [19] | √ | √ | √ | √ | √ | 5 | |
Patil et al. [17] | √ | √ | √ | √ | 4 | ||
Haghani et al. [31] | √ | √ | √ | √ | √ | 5 | |
Zhan et al. [32] | √ | √ | √ | √ | 4 | ||
Gao et al. [22] | √ | √ | √ | √ | √ | 5 | |
Moghaddam et al. [23] | √ | √ | √ | √ | 4 | ||
Durairajan et al. [15] | √ | √ | √ | √ | √ | 5 | |
Lee et al. [33] | √ | √ | √ | 3 | |||
Bhutada et al. [34] | √ | √ | √ | 3 | |||
Lim et al. [24] | √ | √ | √ | √ | 4 | ||
Zhu et al. [25] | √ | √ | √ | √ | 4 | ||
Peng et al. [28] | √ | √ | √ | √ | 4 |