- Correspondence to Dr Mohammed Ashraf, Faculty of Medicine, Ophthalmology Department, Alexandria University, In front of 27 Maarouf Rasafi Street, Kafr Abdou, Roshdi, Alexandria, P.O Box 21411, Egypt;
- Received January 12, 2016
- Revised April 25, 2016
- Accepted May 3, 2016
- First published May 26, 2016.
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