- Correspondence to Dr Jun Hata, Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City 812-8582, Japan;
- Received November 6, 2013
- Revised February 15, 2014
- Accepted February 20, 2014
- First published March 12, 2014.
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