- Correspondence to Dr Wendy K Chung, Division of Molecular Genetics, Department of Pediatrics, Columbia University Medical Center, 1150 St. Nicholas Avenue, Room 620, New York, NY 10032, USA; Heather C Mefford, MD, PhD, Division of Genetic Medicine, Department of Pediatrics, University of Washington, 1959 NE Pacific St. Box 356320, Seattle, WA 98115, USA; firstname.lastname@example.org
- Received August 5, 2013
- Revised October 21, 2013
- Accepted November 7, 2013
- First published January 2, 2014.
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