Nature Communications 6: Article number: 6228 10.1038/ncomms7228 (2015); Published March042015; Updated May122015
This Article incorrectly cites reference 30 at the end of the third sentence of the third paragraph of the Discussion: ‘However, knockout of Mfsd2a does not lead to retinal degeneration30.' The correct citation is as follows:
Tang, T. et al. A mouse knockout library for secreted and transmembrane proteins. Nat. Biotechnol. 28, 749–755 (2010).