- Correspondence to Dr Douglas Stewart, Genetic Disease Research Branch, National Human Genome Research Institute, National Institutes of Health, 49 Convent Drive, Building 49, Room 4A62, Bethesda, MD 20892, USA;
- Received October 9, 2009
- Revised November 30, 2009
- Accepted December 5, 2009
- First published June 7, 2010.
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