Received: 12 September 2019
Accepted: 19 May 2020
First Online: 25 June 2020
Ethics approval and consent to participate
: This retrospective study based on previous collected data complied with the Declaration of Helsinki and French ethics guidelines. This study was approved by the regional ethics committee and the French committee of informatics and civil liberties (CNIL, conformity agreement n°2204611). All patients provided written informed consent for intervention and received a non-opposition letter, as requested by French authorities for retrospective studies.
: Not applicable.
: The authors declare that they have no competing interests in relation to the present work.