Received: 31 January 2020
Accepted: 10 June 2020
First Online: 29 June 2020
Ethics approval and consent to participate
: The Ethics Committee at the Cancer Institute Hospital of JFCR approved this clinical study (approval no. 2015-1151). The results of this retrospective study did not influence any further therapeutic decision-making.
: Not applicable
: The authors declare that they have no competing interests