- Correspondence to Dr Isaure de Beaurepaire, Département de Radiopédiatrie, Hôpital Necker-Enfants Malades, Bâtiment Laennec, Paris 75015, France;
- Received October 9, 2017
- Revised December 12, 2017
- Accepted December 29, 2017
- First published January 22, 2018.
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