- Correspondence to Dr Franklin G Miller, Department of Bioethics, National Institutes of Health, 10 Center Drive, Bldg. 10, rm 1C118, Bethesda, MD 20892-1156, USA;
- Received August 21, 2012
- Revised November 1, 2012
- Accepted November 19, 2012
- First published December 13, 2012.
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