Funding for this research was provided by:
Centre Hospitalier Régional Universitaire de Montpellier (UF9167)
Text and Data Mining valid from 2019-01-08
Received: 21 October 2018
Accepted: 15 December 2018
First Online: 8 January 2019
Compliance with ethical standards
: Authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study was approved by South Mediterranean IV Ethics Committee (2013-A00579-36).
: Informed consent was obtained from all parents or legal guardians of children included in the study.