Funding for this research was provided by:
Société Française de Cardiologie (Bourse Hélène de Marsan)
Direction de l’hospitalisation et de l’offre de Soins (GIRCI-SOHO-APIRES-2017)
Centre Hospitalier Régional Universitaire de Montpellier (AOI-2016)
Received: 31 July 2020
Accepted: 4 January 2021
First Online: 19 January 2021
Ethics approval and consent to participate
: This study complies with the Declaration of Helsinki. This study was approved by the National Ethics Committee (South-Mediterranean IV 2016-A01681-50) and was registered on Clinicaltrials.gov (NCT03005626).
: This manuscript does not contain any individual person’s data. Informed consent was obtained from all parents or legal guardians.
: The authors declare that they have no competing interests.