- Correspondence to Dr Hisakazu Yano, Department of Infection Control and Laboratory Diagnostics, Tohoku University Graduate School of Medicine, 1-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8574, Japan;
- Received October 24, 2013
- Revised November 8, 2013
- Accepted November 17, 2013
- First published December 13, 2013.
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