Correction to: Scientific Reports https://doi.org/10.1038/s41598-017-10034-5, published online 25 August 2017

Sylvain Blois was omitted from the author list in the original version of this Article. This has been corrected in the PDF and HTML versions of the Article, and in the accompanying Supplementary Information file.

The Author Contributions section now reads:

A.M., L.A., P.U., and P.C. conceived the study, directed the project and designed the experiments. M.A.L. and I.I. obtained the samples and clinical details. T.C., V.P., S.O., and A.L.Z. performed microbiome experiments and data analysis. S.B. performed preliminary experiments for bacterial DNA quantitation. M.L.S., C.P., A.Mu., and S.L. performed metabolomics experiments and data analysis. M.L.S. and A.M. wrote the first draft of the manuscript, and L.A. and J.L.G. contributed to the final version. M.L.S., C.P., A.Mu., V.P., T.C., S.L., I.I., M.A.L., S.O., A.L.Z., J.L.G., P.U., P.C., L.A., and A.M. critically reviewed the data and the manuscript. All authors read and approved the final version of the manuscript.