- Correspondence to Dr Akihide Watanabe, Department of Ophthalmology, Kyoto Prefectural University of Medicine, Graduate School of Medicine, 465 Kajii cho, Hirokoji agaru, Kawaramachi dori, Kamigyo ku, Kyoto 602 0841, Japan;
- Received February 15, 2017
- Revised June 8, 2017
- Accepted June 16, 2017
- First published July 25, 2017.
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