Accepted for Publication: March 27, 2013.
Published Online: October 7, 2013. doi:10.1001/jamapediatrics.2013.2572.
Study concept and design: Sung, Collett, de Gooyer, Wake.
Acquisition of data: Sung, Collett, de Gooyer.
Analysis and interpretation of data: All authors.
Drafting of the manuscript: Sung, Hiscock, Tang, Wake.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Sung, Collett, de Gooyer.
Administrative, technical, or material support: Sung, Wake.
Study supervision: Hiscock, Tang, Wake.
Conflict of Interest Disclosures: Dr Tang is a member of the Nestlé Nutrition Institute Medical Advisory Board Oceania and the Nutricia Medical Advisory Board Australasia and received honoraria for speaking at symposia sponsored by the Nestlé Nutrition Institute and Nutricia (Danone). She also received probiotic and placebo research products from Nestlé Research Centre Switzerland and Dicofarm Italy for studies unrelated to this systematic review. No other conflicts of interest were reported.
Funding/Support: Dr Sung is supported by National Health and Medical Research Council Postgraduate Scholarship 607447, and Drs Hiscock and Wake are supported by National Health and Medical Research Council Population Health Career Development Awards (grants 607351 and 546405). Murdoch Childrens Research Institute is supported by the Victorian Government’s Operational Infrastructure Support Program.
Role of the Sponsor: The funders had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Additional Contributions: We thank Michael Abramson, PhD, and Andrew Forbes, PhD, Monash University, John Carlin, PhD, University of Melbourne, and Michael Coory, PhD, Murdoch Childrens Research Institute, for advice on statistical measures.