- Correspondence to Dr Patrick F Tzelikis, Brasilia Ophthalmologic Hospital, HOB, SQN 203, bloco K, apart 502, Brasilia, DF 70833-110, Brazil;
- Received 15 August 2014
- Revised 16 October 2014
- Accepted 22 October 2014
- Published in print 7 November 2014.
- Published online 10 November 2014.
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