Funding for this research was provided by:
Ministère des Affaires Sociales, de la Santé et des Droits des Femmes (PHRC National 2015)
Received: 30 April 2018
Accepted: 20 May 2019
First Online: 28 May 2019
Ethics approval and consent to participate
: The study protocol was approved by the ethics committee “Comité de Protection des Personnes dans la Recherche Biomédicale Sud Est II” (file number 2008-005-AM7). All subjects and their parents provided written informed consent before enrolment for the study and publication of the data.
: Not applicable
: The authors declare that they have no competing interests.