Retraction Note: Child's Nervous System (2021) 38:147-152 https://doi.org/10.1007/s00381-021-05381-8

The Editor in Chief has retracted this article because, contrary to the statement in the article, the authors have been unable to provide documents confirming that ethics approval was obtained for the study. The Bureau of CPP Nord Ouest IV has confirmed that they had no received any proposal for ethics clearance before the commencement of the study. Matthieu Vinchon did not explicitly state whether he agrees to this retraction. Mélodie-Anne Karnoub, Nathalie Noulé and Marie-Emilie Lampin have not responded to any correspondence from the editor or publisher about this retraction.