Funding for this research was provided by:
Narodowe Centrum Nauki (2016/21/B/NZ2/01785, 2016/23/B/NZ2/03064)
Received: 19 May 2020
Accepted: 1 July 2020
First Online: 10 July 2020
Ethics approval and consent to participate
: Informed consent was obtained to use tumour material according to the procedures outlined by The Bioethics Committee at the Children’s Memorial Health Institute’s, Warsaw, Poland, approval No 1 /KBE/2017.
: “Not applicable”.
: The authors declare that they have no competing interests.