Table 2.

Quality assessment with the tool for evaluating the methodological quality of case reports and case series as described by Murat et al. [22]

Nr.	Author, year	Selection	Ascertainment	Causality	Reporting	Overall
1.	Rockborn and Gillquist, 2000 [30]	1	1	1	1	4
2.	DeHaven et al., 1995 [5]	1	1	1	1	4
3.	Muellner et al., 1999 [21]	1	1	1	1	4
4.	Johnson et al., 1999 [14]	1	1	1	1	4
5.	Melton et al. 2011 [20]	1	1	1	1	4
6.	Noyes et al., 2011 [23]	1	1	1	1	4
7.	Brucker et al., 2011 [4]	1	1	1	1	4
8.	Steadman et al., 2015 [33]	1	0	1	1	3
9.	Pujol et al., 2015 [29]	1	1	1	1	4
10.	Solheim et al.,2016 [31]	1	1	1	1	4
11.	Zimmerer et al.,2018 [37]	1	1	1	1	4
12.	Hagmeijer et al., 2019v	1	1	1	1	4