Study Year of
publication
Study
design
Checklist
Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q11
Montoya-Salazar et al. [18] 2014 Prospective ? + + - - + + + + N/A +
Jung et al. [19] 2012 Prospective + + + + N/A + + + + N/A +
Crespi et al. [20] 2010 Prospective + + + N/A N/A + + + + N/A +
Crespi et al. [21] 2010 Prospective + + + N/A N/A + + + + N/A +
Hita-Iglesias et al. [22] 2016 Prospective + + + N/A N/A + + + + N/A +
Blus et al. [23] 2015 Prospective ? + + - - + + + + N/A +
Bell et al. [24] 2011 Retrospective + + + + + + + + + N/A +
Fugazzotto [25] 2012 Retrospective + + + N/A N/A + + + + N/A +
Zuffetti et al. [26] 2017 Retrospective ? + + + - + + + + N/A +

N/A = not applicable; ? = unclear; + = yes; - = no.