- Correspondence to Dr Kei Harada, Department of Neurovascular Surgery, Fukuoka Wajiro Hospital Heart and Neuro-Vascular Center, 2–2–75 Wajirogaoka, Higashi-ku, Fukuoka 811-0213, Japan;
- Received August 8, 2012
- Revised October 31, 2012
- Accepted November 3, 2012
- First published November 28, 2012.
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