Correction to: Journal of Perinatology (2012) 32, 103–110; doi:10.1038/jp.2011.64

In this article, published online on 4 August 2011, two time units appear incorrectly in the Methods section, in the paragraph with the heading ‘The experimental initiation BPSP.’ In the second sentence of this paragraph, two instances of ‘per second’ should have been ‘per minute’. The correct sentence is as follows: ‘The new initiation BPSP included periods that mimic non-nutritive sucking (120 sucks per minute), low milk flow rate sucking (90 sucks per minute) and average nutritive milk flow rate (60 sucks per minute) sucking.19