- Correspondence to Dr Yasuhiro Ikeda, Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan;
- Received December 17, 2012
- Revised April 21, 2013
- Accepted May 20, 2013
- First published June 19, 2013.
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