Funding for this research was provided by:
Assistance Publique - Hôpitaux de Marseille (24_10)
Received: 15 June 2018
Accepted: 30 April 2019
First Online: 14 May 2019
Ethics approval and consent to participate
: The study was approved by an ethical research committee (Committee for Personal Protection « Sud Méditerranée 5 », N°IDRCB 2012-A00761–42, reference CitationRef removed.051).All participants explicit agreement to participate in the study and signed informed consent of parents or legal representatives.
: Not applicable.
: The authors declare that they have no competing interests.
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