- Correspondence to Dr S S Cathey, Greenwood Genetic Center, Charleston Office, Montague Oaks Office Park, 3520 W Montague Avenue, Suite 104, N Charleston, SC 29418, USA;
- Received March 6, 2009
- Revised June 30, 2009
- Accepted July 3, 2009
- First published July 16, 2009.
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