Table 8.

Risk of bias assessment.

References	1. Allocation Sequence Generation	2. Baseline Characteristics	3. Allocation Concealment	4. Random Housing	5. Blinding of Care Giver/Investigator	6. Random Outcome Assessment	7. Blinding of Outcome Assessor	8. Incomplete Outcome Data Addressed	9. Free from Selective Outcome Reporting	10. Free from Other Sources of Bias
[115]	Yes	No	Unclear	Yes	Yes	Yes	No	Yes	Unclear	Yes
[16]	Yes	Yes	Unclear	Yes	Yes	Yes	No	Yes	Unclear	Yes
[116]	Yes	Yes	Yes	Yes	No	Yes	Unclear	Yes	Unclear	Yes
[117]	Yes	Yes	Unclear	No	No	Yes	Unclear	Yes	Unclear	Yes
[118]	Yes	Yes	Unclear	No	No	Yes	Unclear	Yes	Unclear	Yes
[119]	Yes	Yes	Unclear	Yes	No	Yes	Unclear	Yes	Unclear	Yes
[120]	Yes	Yes	Unclear	Yes	No	Yes	Yes	Yes	Unclear	Yes
[17]	Yes	Yes	Unclear	No	No	Yes	No	Yes	Unclear	Yes
[122]	Yes	Yes	Unclear	Yes	No	Yes	No	Yes	Unclear	Yes
[123]	Yes	Yes	Unclear	No	No	Yes	No	Yes	Unclear	Yes
[124]	Yes	Yes	Unclear	No	No	No	No	Yes	Unclear	Yes
[121]	Yes	Yes	Unclear	No	No	No	No	Yes	Unclear	Yes
[125]	Yes	Yes	Unclear	Yes	No	Yes	No	Yes	Unclear	Yes