- Correspondence to Dr Michael Parker, Sheffield Clinical Genetics Service, Sheffield Children's Hospital NHS Foundation Trust, Sheffield S10 2TH, UK; and Dr Maria Bitner-Glindzick, UCL Institute of Child Health, Genetics and Genomic Medicine Programme, 30 Guilford Street, London WC1N 1EH, UK;
- Received June 11, 2014
- Revised September 11, 2014
- Accepted September 14, 2014
- First published July 17, 2015.
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