Table 8. Joanna Briggs institute quality appraisal tool for case series.

Yes= +, No= -, Unclear= ?, Not applicable= NA.

Q1. Were there clear criteria for inclusion in the case series? Q2. Was the condition measured in a standard, reliable way for all participants included in the case series? Q3. Were valid methods used for the identification of the condition for all participants included in the case series? Q4. Did the case series have consecutive inclusion of participants? Q5. Did the case series have complete inclusion of participants? Q6. Was there clear reporting of the demographics of the participants in the study? Q7. Was there clear reporting of clinical information of the participants? Q8. Were the outcomes of follow-up results of cases clearly reported? Q9. Was there clear reporting of the presenting site(s)/clinic(s) demographic information? Q10. Was statistical analysis appropriate?

	Q1	Q2	Q3	Q4	Q5	Q6	Q7	Q8	Q9	Q10
Pan et al. [38]	+	+	+	-	-	-	+	+	-	NA
Yang et al. [39]	+	+	+	?	+	-	-	+	-	+
Croarkin et al. [40]	-	+	+	-	-	-	+	+	-	NA
Loo et al. [41]	+	+	+	+	-	-	+	+	-	?
Walter et al. [44]	-	+	+	-	-	-	-	+	-	-