Table 2.

First ten questions from the AXIS tool.

Reference	1	2	3	4	5	6	7	8	9	10
Bragança et al., 2018 [4]	Yes	Yes	No	No	Don’t know/comment	Yes	Do not know/comment	Yes	-	No
Adler et al., 2017 [10]	Yes	Yes	No	Yes	Yes	Yes	Do not know/comment	Yes	-	Yes
Bourgeois et al., 2017 [11]	Yes	Yes	Yes	No	Do not know/comment	Yes	Do not know/comment	Yes	-	Yes
Medina-Inojosa et al., 2016 [12]	Yes	Yes	No	Yes	Yes	Yes	Do not know/comment	Yes	-	Yes
Ng et al., 2016 [13]	Yes	Yes	No	Yes	Yes	Yes	Do not know/comment	Yes	-	Yes
Ng et al., 2019 [14]	Yes	Yes	No	Yes	Yes	Yes	Do not know/comment	Yes	-	Yes
Brooke-Wavell et al., 1994 [15]	Yes	Yes	No	No	Do not know/comment	Do not know/comment	Do not know/comment	Yes	-	Yes
Weiss et al., 2009 [16]	Yes	Yes	No	No	Do not know/comment	Do not know/comment	Do not know/comment	Do not know/comment	-	No
Pepper et al., 2010 [17]	Yes	Yes	No	Yes	Yes	Yes	Do not know/comment	Yes	-	Yes
Harbin et al., 2017 [18]	Yes	Yes	No	Yes	Yes	Yes	Do not know/comment	Yes	-	No
Bragança et al., 2017 [3]	Yes	Yes	No	Yes	Do not know/comment	Yes	Do not know/comment	Yes	-	Yes
Vonk & Daanen, 2015 [19]	Yes	Yes	No	No	Do not know/comment	Do not know/comment	Do not know/comment	Do not know/comment	-	No
Tinsley et al., 2019 [20]	Yes	Yes	No	Yes	Yes	Do not know/comment	Do not know/comment	Yes	-	Yes
Ladouceur et al., 2017 [21]	Yes	Yes	No	No	Do not know/comment	Do not know/comment	Do not know/comment	Yes	-	Yes
Ramos-Jiménez et al., 2018 [22]	Yes	Yes	No	Yes	Yes	Do not know/comment	Do not know/comment	Yes	-	Yes
Kuehnapfel et al., 2016 [23]	Yes	Yes	No	No	Do not know/comment	Do not know/comment	Do not know/comment	Yes	-	Yes
Koepke et al., 2017 [24]	Yes	Yes	No	Yes	Yes	Yes	Do not know/comment	Yes	-	Yes
Lu & Wang et al., 2010 [25]	Yes	Yes	No	No	Do not know/comment	Do not know/comment	Do not know/comment	Yes	-	No