Correction to: Journal of Perinatology advance online publication, 1 September 2016; doi:10.1038/jp.2016.144

Following online publication of this paper, the authors noticed a Disclosure was omitted. The Disclosure text appears here:

Disclosure

Vermont Oxford Network played no role in the design, conduct, analysis, interpretation or reporting. The views, conclusions and opinions expressed are solely those of the authors and do not represent those of the Vermont Oxford Network.