•    Was the assignment of participants to groups randomized?
•    Was the allocation sequence concealed?
•    Were the groups similar at the baseline or trial commencement?
•    Were participants blinded to group allocation?
•    Were the health professionals providing the intervention blinded to participant group?
•    Were the researchers blinded to participant group allocation?
•    Were all participants accounted for at the completion of the study, and was follow up complete?
•    Was the intention to treat analysis used?
•    Did the study have enough participants to minimize the effect of chance on outcomes?


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