- Correspondence to Dr Mohammed Al-Owain, Department of Medical Genetics, King Faisal Specialist Hospital and Research Centre, MBC 75, PO Box 3354, Riyadh 11211, Saudi Arabia;
- Received January 23, 2012
- Revised February 29, 2012
- Accepted March 1, 2012
- First published April 12, 2012.
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