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Tables of covariate data (Appendix S1) and effect sizes and citations from all studies (Appendix S2) used in our meta-analysis are available online. The authors are solely responsible for the content and functionality of these materials. Queries (other than absence of the material) should be directed to the corresponding author.

FilenameFormatSizeDescription
COBI_1883_sm_Supp1.doc39KSupporting info item
COBI_1883_sm_Supp2.doc217KSupporting info item

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