Received: 22 July 2021
Accepted: 16 November 2021
First Online: 20 December 2021
: Ethical approval was obtained from the ethics committee of our institution, named “Le comité de protection des personnes Sud” on November 23, 2021, for the realization and publication of this study. The reference number of the approval is CPP SUD N 0368/2021. Consent to participate is not applicable as it is a retrospective study.
: Not applicable.
: Not applicable. Our manuscript does not contain any individual person's data. All authors have approved the manuscript for submission and publication.
: The authors declare that they have no competing interests.