Oswald et al. (2010) [38] |
|
|
|
|
|
|
|
● |
● |
|
|
● |
3
|
Shoval et al. (2011) [33] |
|
● |
|
● |
● |
|
|
|
● |
● |
|
|
5
|
Werner et al. (2012) [27] |
● |
|
|
● |
|
|
● |
● |
|
● |
|
● |
6
|
Wahl et al. (2013) [39] |
● |
|
|
● |
|
|
● |
|
|
● |
|
|
4
|
Tung et al. (2014) [28] |
|
● |
|
● |
|
|
|
|
● |
● |
|
|
4
|
Wettstein et al. (2014a) [40] |
● |
|
|
● |
|
|
● |
● |
|
● |
|
● |
6
|
Wettstein et al. (2014b) [41] |
● |
|
|
● |
|
|
● |
|
|
● |
|
|
4
|
Kaspar et al. (2015) [37] |
|
● |
|
● |
|
|
|
● |
● |
● |
● |
● |
7
|
Wettstein et al. (2015a) [42] |
● |
|
|
● |
|
|
● |
● |
|
● |
|
● |
6
|
Wettstein et al. (2015b) [43] |
● |
|
|
● |
|
|
● |
● |
|
● |
|
● |
6
|
Harada et al. (2019) [45] |
|
|
|
● |
|
|
|
|
● |
● |
|
|
3
|
Thorpe et al. (2019) [22] |
● |
● |
|
● |
|
|
● |
● |
● |
● |
|
|
7
|
Bayat et al. (2021) [46] |
● |
|
|
● |
|
● |
● |
|
|
|
|
|
4
|
Chung et al. (2021) [48] |
|
● |
|
● |
|
|
|
|
● |
● |
|
|
4
|
Liddle et al. (2021) [49] |
|
● |
|
● |
|
|
|
|
● |
● |
|
|
4
|
Sturge et al. (2021) [50] |
|
● |
|
|
|
|
● |
● |
● |
|
|
|
4
|
Bayat et al. (2022) [51] |
● |
● |
|
● |
● |
● |
● |
● |
● |
● |
● |
● |
11
|
Total number of studies per category
|
9
|
8
|
0
|
15
|
2
|
2
|
10
|
9
|
10
|
14
|
2
|
7
|
|