Received: 26 September 2019
Accepted: 30 August 2020
First Online: 4 September 2020
Ethics approval and consent to participate
: The survey was not mandatory and it was anonymous and confidential. It had received approval from the French Data Protection Authority (Commission Nationale de l’Informatique et des Libertés (CNIL)) and from the French National Council for Statistical Information (Conseil National de l’Information Statistique (CNIS)).
: Not applicable.
: No conflict of interest declared.