The
http://plosone.org/article/info:doi/10.1371/journal.pone.0039315#article1.body1.sec1.p1

There are errors in references 15,17,18, and 29. The correct references should read:

15. Ravel J, Gajer P, Abdo Z, Schneider GM, Koenig SS, et al. (2010) Vaginal microbiome of reproductive-age women. Proc Natl Acad Sci U S A. 108 Suppl 1: 4680-4687. PMID: 20534435


17. The Human Microbiome Consortium (2012) A framework for human microbiome research. Nature 486: 215-221


18. Haas BJ, Gevers D, Earl A, Feldgarden M, Ward DV, et al. (2011) Chimeric 16S rRNA sequence formation and detection in Sanger and 454-pyrosequenced PCR amplicons. Genome Research 21: 494-504. PMID: 21212162


29. Kunin V, Anna E, Ochman H, Hugenholtz P (2009) Wrinkles in the rare biosphere: pyrosequencing errors lead to artificial inflation of diversity estimates. Environmental Microbiology 12: 118-123. PMID: 19725865