- 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 17 December 2012
- Revised 21 April 2013
- Accepted 20 May 2013
- Published in print 1 September 2013.
- Published online 9 August 2013.
- Published first 19 June 2013.
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