- Correspondence to Dr Allen C Ho, Mid Atlantic Retina, The Retina Service of Wills Eye Hospital, Thomas Jefferson University, 840 Walnut Street, Suite 1020, Philadelphia, PA 19107, USA;
- Received August 22, 2014
- Revised December 2, 2014
- Accepted December 8, 2014
- First published January 16, 2015.
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