Received: 3 April 2021
Accepted: 20 September 2021
First Online: 10 October 2021
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the national research committee and with the 1964 Helsinki Declaration and its later amendments. In France, this search is considered as a non-interventional study according to European legislation. All patients were individually informed that their data should be used to scientific research. All experimental protocols were approved by the scientific board of the regional biobank of Franche-Comté, France (registration number BB-0033-00024, Tumorothèque Régionale de Franche-Comté) that ensures patients informed consent.
: Not applicable.
: The authors declare that they have no competing interests.