- Correspondence to Dr M Huizing, Medical Genetics Branch, NHGRI, NIH, 10 Center Drive, MSC 1851, Building 10, Room 10C-103, Bethesda, Maryland 20892-1851, USA;
- Received December 31, 2008
- Revised April 16, 2009
- Accepted April 23, 2009
- First published October 20, 2009.
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