Received: 1 September 2020
Accepted: 22 January 2021
First Online: 12 February 2021
Ethics approval and consent to participate
: This study was approved by the CNIL agency (Commission Nationale Informatique et Liberté) in compliance with local and national regulations, under the number PI2019_843_0068. Data used in this study was anonymised before its use.
: Not applicable.
: The authors declare that they have no competing interests.