Funding for this research was provided by:
CHU Sainte-Justine Foundation
Fonds de Recherche du Québec - Santé
Canadian Institutes of Health Research
Cole Foundation (Transition Grant)
Received: 30 May 2019
Accepted: 30 October 2019
First Online: 19 November 2019
Ethics approval and consent to participate
: The VIE study was approved by the Sainte-Justine University Hospital Center Institutional Review Board. A consent form was signed by participants (guardians/parents) enrolled in the VIE project.
: Not applicable.
: The authors declare that they have no competing interests.