- Correspondence to Dr C Gail Summers, Departments of Ophthalmology & Visual Neurosciences and Pediatrics, University of Minnesota, 701 25th Ave. S., #300, Minneapolis, MN 55454, USA;
- Received May 5, 2016
- Revised July 19, 2016
- Accepted August 27, 2016
- First published September 28, 2016.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.