Study Year of
publication 		Study design Checklist
Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8
Mykolaivna [7] 2021 Cross-sectional + ? + + + + + +
Kadhom et al. [16] 2023 Cross-sectional + + + + + + + +
Han et al. [20] 2023 Cross-sectional + + ? + + + + +

? =unclear; + = yes; - = no; NA = not applicable.