- Correspondence to Dr Hidehisa Nishi, Department of Neurosurgery, Stroke Center, Kokura Memorial Hospital, 3-2-1 Asano, Kokurakita-ku, Kitakyushu-shi, Fukuoka 802-8555, Japan;
- Received May 9, 2015
- Revised July 30, 2015
- Accepted August 5, 2015
- First published August 21, 2015.
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