Cold Spring Harb Perspect Med; doi: 10.1101/cshperspect.a041275

In an earlier version of this article, only one affiliation was listed for both authors when two should have been listed as follows:

1Institute of Molecular and Clinical Ophthalmology Basel, Basel, Switzerland

2Department of Ophthalmology, University of Basel, Basel, Switzerland

The authors apologize for this error. The affiliations have been corrected in the current version of the article.