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Additional file 1 -- Summary of trials and randomizations

Additional file 2 -- Summary statistics and the results of univariate analyses for all trial characteristics investigated

Additional file 3 -- Characteristics excluded from all analyses

FilenameFormatSizeDescription
JEBM_1157_sm_SupMat1.doc626KSupporting info item
JEBM_1157_sm_SupMat2.doc85KSupporting info item
JEBM_1157_sm_SupMat3.doc46KSupporting info item

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