- Correspondence to Dr Raoul C M Hennekam, Department of Pediatrics, Room H7-237, Academic Medical Center, University of Amsterdam, Meibergdreef 9, Amsterdam 1105 AZ, The Netherlands;
- Received December 11, 2012
- Revised January 31, 2013
- Accepted February 14, 2013
- First published March 15, 2013.
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