Text and Data Mining valid from 2018-11-15
Received: 26 February 2018
Accepted: 2 November 2018
First Online: 15 November 2018
Ethics approval and consent to participate
: The research followed the declaration of Helsinki principles and was approved by the ethical committee CCP “Comité de Protection des Personnes” Paris-IDF 3 under the Ethics approval (N°20,110,508). All parents gave their written consent for their children’s participation to the research.
: Not applicable
: The authors declare that they have no competing interests.
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