- Correspondence to Dr Maria T Sandinha, Vitreoretinal Service, Sunderland Eye Infirmary, Queen Alexandra Road, Sunderland, Tyne and Wear SR2 9HP, UK;
- Received April 14, 2013
- Revised November 16, 2013
- Accepted December 11, 2013
- First published January 10, 2014.
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