Funding for this research was provided by:
Institut national d’études démographiques (N/A)
Text and Data Mining valid from 2020-01-09
Received: 7 June 2019
Accepted: 24 December 2019
First Online: 9 January 2020
Ethics approval and consent to participate
: The TeO study was approved by two ethics committees: the French Conseil National de l’Information Statistique (CNIS, National Council for Statistical Information; May, 2006), and the French <i>Comité du label</i> (decision number 243/D131). All participants provided written informed consent before participating in the survey.
: Not applicable.
: The authors declare that they have no competing interests.