Received: 17 August 2020
Accepted: 10 March 2021
First Online: 25 March 2021
: All study participants provided an written informed consent to participate. The national council on statistical information (CNIL) approved the CONSTANCES study before it began (CNIL authorisation n°910,486), as well as an additional related application CNIL authorisation n°1,881,675).CONSTANCES was approved by the National Council for Statistical Information (Conseil national de l’information statistique-CNIS), the National Medical Council (Conseil national de l’Ordre des médecins-CNOM), the Institutional Review Board of the National Institute for Medical Research (INSERM) and our local Committee for Persons Protection (Comité de protection des personnes).
: Not applicable.
: The authors declare that they have no competing interests.