- Correspondence to Dr Kumiko Nakao, Department of Ophthalmology, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima 890-8544, Japan;
- Received April 27, 2017
- Revised May 26, 2017
- Accepted June 5, 2017
- First published July 8, 2017.
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