- Correspondence to: Jorge R Toro Genetic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, 6120 Executive Boulevard, Executive Plaza South, Room 7012, Rockville, MD 20892-7231, USA;
- Received January 19, 2006
- Accepted March 14, 2006
- Revised March 9, 2006
- First published April 5, 2006.
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