- Correspondence to: Dr Sarah H Elsea Departments of Pediatrics and Human Genetics, 1101 E Marshall St, 12-018 Sanger Hall, PO Box 980441, Medical College of Virginia, Virginia Commonwealth University, Richmond, VA 23298, USA;
- Received February 1, 2005
- Accepted March 21, 2005
- Revised March 16, 2005
- First published March 23, 2005.
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