Study Year of
publication 		Study
design 		Checklist
Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q11 Q12 Q13
Peisker et al. [3] 2014 Non-RCT + ? + - N/A + + ? -
Cocero et al. [5] 2015 RCT + + + - ? ? + + ? + + + +
Kazancıoğlu et al. [12] 2013 RCT + + + - ? + + + ? + + + +

“+” = yes; “- “ = no; ”?” = unclear; “N/A” = not applicable; RCT= randomised clinical trial.