1. Faculté de Médecine Université Paris‐Cité Paris France
2. Department of Paediatric Otolaryngology AP‐HP, Hôpital Necker‐Enfants Malades Paris France
3. Department of Paediatric Radiology AP‐HP, Hôpital Necker‐Enfants Malades Paris France
4. Department of Radiology Paris Imagerie 114 Paris France