Received: 20 August 2020
Accepted: 21 December 2020
First Online: 6 January 2021
Ethics approval and consent to participate
: The study has been approved by an ethics committee of The Children’s Memorial Health Institute in Warsaw, Number 23/KBE/2020. Informed consent was obtained from all included patients.
: Not applicable.
: All authors certify that they have NO affiliations with or involvement in any organization or entity with any financial or non-financial interest in the subject matter or materials discussed in this manuscript.