Damery et al., 2016 [19] | | | X | | |
Bautista et al., 2016 [20] | X | X | | | |
Baxter et al., 2018 [13] | | X | X | | |
Busse and Stahl, 2014 [21] | X | X | X | X | |
Cameron et al., 2014 [22] | X | X | X | X | X |
Suter et al., 2017 [15] | X | X | | | X |
Laver et al., 2014 [23] | | X | X | X | X |
Rutten-van Molken et al., 2018 [24] | | X | X | X | X |
Backhouse, 2017 [25] | | | X | X | X |
Soto et al., 2004 [26] | | | X | X | X |
Tummers et al., 2012 [27] | | X | X | X | X |
Davies et al., 2011 [28] | | X | X | X | X |
Eklund et al., 2009 [29] | | X | X | X | X |
Kirst et al., 2017 [30] | X | X | X | | X |
Mason et al., 2015 [31] | X | X | X | X | X |
Stewart et al., 2013 [32] | X | X | X | X | X |
Strandberg-Larsen et al., 2009 [33] | X | X | | | |
Valaitis et al., 2017 [34] | X | X | X | X | X |
Total review articles | 9 | 15 | 15 | 12 | 13 |