Scientific Reports 6: Article number: 20243; published online: 01 February 2016; updated: 10 June 2016.

In the original version of this Article, there were errors in Affiliation 1 which was incorrectly listed as ‘Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing, China.’ The correct affiliation is listed below:

Beijing Tongren Eye Center, Beijing Tongren Hospital, Beijing Ophthalmology Visual Science Key Lab, Beijing Institute of Ophthalmology, Capital Medical University, Beijing, China.

These errors have now been corrected in the PDF and HTML versions of the Article.