Funding for this research was provided by:
Fondation pour la Recherche Médicale (DEQ20161136698, FDM20150633309)
Horizon 2020 (773830)
Received: 12 April 2020
Accepted: 4 September 2020
First Online: 15 September 2020
Ethics approval and consent to participate
: This study was declared to the CNIL, the French office responsible for protecting personal data, supporting innovation, and preserving individual liberties. No further ethical approval was needed since this study did not involve any experimentation on animals (only rectal swabs were sampled) and since we did not collect and register any personnel opinion of the participants.
: Not applicable.
: The authors declare that they have no competing interests.