Megan Allyse PhD and Subhashini Chandrasekharan PhD

Genet Med advance online publication, March 19, 2015; doi:10.1038/gim.2015.23

In the published version of this article, there were typographical errors in row one, of Table 1. The corrected table appears below. The authors regret these errors.

Table 1 Commercial offering of noninvasive prenatal screening for subchromosomal abnormalities