- Correspondence to Dr Ronald P Danis, Department of Ophthalmology and Visual Sciences, Fundus Photograph Reading Center, University of Wisconsin-Madison, 2870 University Avenue, Madison, WI 53705 USA;
- Received August 19, 2015
- Revised November 30, 2015
- Accepted December 24, 2015
- First published January 28, 2016.
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