Study Year of
publication
Study
design
Checklist Total
(% score yes)
Methodological
quality
Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q11
Juodzbalys and Wang [2] 2010 Prospective + + + + + + + + + - + 90 High
Juodzbalys et al. [26] 2008 Prospective + + + + + + + + + - + 90 High
Kim et al. [27] 2021 Prospective + + + + + + + + + - + 90 High
Meijer et al. [28] 2005 Prospective + + + + + + + + + + + 100 High
Belser et al. [29] 2009 Prospective + + + + + + + + + - + 90 High
Hosseini and Gotfredsen. [30] 2011 Prospective + + + + + + + + + - + 90 High
Tettamanti et al. [31] 2015 Prospective + + + + + + + + + - + 90 High

? = unclear; + = yes; - = no.