- Correspondence to Osamu Muramoto, Center for Ethics in Health Care, Oregon Health and Science University, 3181 S.W. Sam Jackson Park Rd UHN-86, Portland, Oregon 97239-3098, USA;
- Received July 10, 2010
- Revised December 4, 2010
- Accepted December 16, 2010
- First published February 2, 2011.
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