- Correspondence to Dr Akira Akabayashi, Department of Biomedical Ethics, Graduate School of Medicine University of Tokyo, 7-3-1 Hongo, Bunkyoku, Tokyo 113-0033, Japan;
- Received September 2, 2011
- Revised January 27, 2012
- Accepted April 4, 2012
- First published April 27, 2012.
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