Correction
Following publication of the original article [1], the authors pointed out that the Methods included one step that is no longer necessary but which was inadvertently carried over from an earlier protocol.
Footnotes
The original article can be found online at https://doi.org/10.1186/s12884-017-1357-x.
Reference
- 1.Elizabeth J. Corwin, Carol J. Hogue, Bradley Pearce, Cherie C. Hill, Timothy D. Read, Jennifer Mulle and Anne L. Dunlop. BMC Pregnancy and Childbirth (2017) 17:161. DOI 10.1186/s12884-017-1357-x [DOI] [PMC free article] [PubMed]