Received: 2 November 2018
Accepted: 1 October 2020
First Online: 28 October 2020
Ethics approval and consent to participate
: This retrospective study was approved by our Institutional Review Board (CPP Lyon-Sud-Est IV Centre Léon Bérard, N° IRB: IRB00010619) with a waiver of informed consent, with any overlap in subjects from prior publications to disclose.
: Not applicable.
: The authors declare that they have no competing interests.