Table 3.

Quality of evidence obtained using a modified CAMARADES checklist

	References
	36	40	51	46	52	55	8	62
Publication in a peer-reviewed journal	√	√	√	√	√	√	√	√
Number of experiments and control-groups	√	√	√	√		√	√	√
Housing and husbandry conditions	√	√					√	√
Details of intervention/exposure group procedures	√	√	√	√		√	√	√
Random allocation to groups	√	√		√				√
Allocation concealment
Blinded assessment of outcome			√				√
Biochemical/molecular evaluations		√	√	√	√	√	√	√
Tissue evaluations	√	√	√	√	√	√	√	√
Statistical analysis	√	√	√	√	√	√	√	√
Statement regarding possible conflict of interest			√	√	√	√	√	√
Total (of 11)	7	8	8	8	5	7	9	9

Note: √, criterion satisfied.