- Correspondence to Dr Terumi Kamisawa, Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo 113-8677, Japan;
- Received April 24, 2013
- Revised May 20, 2013
- Accepted May 21, 2013
- First published June 8, 2013.
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