Funding for this research was provided by:
Internal Funding from The Children's Memorial Health Institute, Warsaw, Poland (Grant no 239/16)
Text and Data Mining valid from 2019-09-07
Received: 4 July 2019
Accepted: 2 September 2019
First Online: 7 September 2019
Ethics approval and consent to participate
: Tumours were retrospectively analysed and RMS tissues were retrieved from the archives of the Children’s Memorial Health Institute’s, Warsaw, Poland, under The Bioethics Committee at the Children’s Memorial Health Institute’s approved protocol (Approval No 42/KBE/2016).
: Not applicable.
: The authors declare that they have no competing interests.