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Article History

Received: 2 March 2021

Accepted: 22 September 2021

First Online: 8 October 2021

Declarations

:

: According to French law, this study did not have to obtain the approval of a national ethics committee (the French ethical committee for biomedical research, CPP (Committee for the protection of the persons), and the French data protection authority, CNIL (Commission nationale de l’informatique et des libertés)), as it is not legally considered to be research involving human beings and relies only on the collection of anonymous data. Participants were adults who gave informed consent, and parental consent was obtained for 15–17-year-old interviewees in 2016 (not included in our analyses). No personal identifiers were recorded, and the anonymity of participants and the confidentiality of their data were guaranteed.I confirm that all methods were carried out in accordance with relevant guidelines and regulations.

: Not applicable.

: The authors declare that they have no competing interests.