- Correspondence to Professor Hiroki Isomura, Department of Virology and Preventive Medicine, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma 371-8511, Japan; and Shoji Kishi, Department of Opthalmology, Gunma University Graduate School of Medicine;
- Received December 4, 2014
- Revised June 11, 2015
- Accepted July 21, 2015
- First published August 10, 2015.
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- Data supplement 1 - Online supplement
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