Funding for this research was provided by:
Fondation Bettencourt Schueller (x)
Fondation EDF (x)
Caisse Nationale de Solidarité pour l'Autonomie (x)
Received: 10 November 2019
Accepted: 20 May 2020
First Online: 29 May 2020
Ethics approval and consent to participate
: The protocol was authorized by the national regulatory authority <i>Agence Nationale de Sécurité du Médicament et des Produits de Santé</i> (ANSM 130282B-31, April 16, 2013) and by the local Ethics Committee (<i>Comité de Protection des Personnes</i>) at the University Hospital Saint-Antoine (May 7, 2013). Informed written consent was obtained from the parents of participants.
: Written informed consent was obtained from the parents for the publication of the Fig. InternalRef removedb.
: AHB has received research grants from <i>Caisse Nationale de Solidarité pour l’Autonomie</i> (CNSA), the <i>Fondation Bettencourt-Schueller</i>, and the <i>Fondation EDF (Electricité de France).</i> FA was employed by the company Cenbiotech. All other authors declare no competing interests.