Domains	Yes	No	Not addressed	Not Applicable
Study purpose	Yes	No	Na	NA
1. Was the purpose stated clearly?	-	-	-	-
Literature review	Yes	No	Na	NA
2. Was relevant background literature reviewed?	-	-	-	-
Sample	Yes	No	Na	NA
3. Was the sample described in detail?	-	-	-	-
4. Was sample size justified?	-	-	-	-
5. Were the groups randomized?	-	-	-	-
6. Was randomization appropriately done?	-	-	-	-
Outcome	Yes	No	Na	NA
7. Were the outcome measures reliable?	-	-	-	-
8. Were the outcome measures valid?	-	-	-	-
Results	Yes	No	Na	NA
9. Were results reported in terms of statistical significance?	-	-	-	-
10. Were the analysis of method(s) appropriate?	-	-	-	-
11. Was clinical importance reported?	-	-	-	-
12. Were drop-outs reported?	-	-	-	-
Conclusions	Yes	No	Na	NA
13. Were conclusions appropriate, given study methods and results?	-	-	-	-