- Correspondence to: Martine De Rycke Centre for Medical Genetics, Academisch Ziekenhuis Vrije Universiteit Brussel, Laarbeeklaan 101, 1090 Brussels, Belgium;
- Received May 18, 2006
- Accepted July 18, 2006
- Revised July 14, 2006
- First published September 1, 2006.
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