- Correspondence to: Helger G Yntema PhD, Department of Human Genetics, Radboud University Nijmegen Medical Centre, P.O. Box 9101, 6500 HB Nijmegen, The Netherlands;
- Received June 22, 2005
- Accepted September 7, 2005
- Revised August 18, 2005
- First published September 16, 2005.
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