Received: 21 September 2020
Accepted: 19 January 2021
First Online: 10 February 2021
Ethics approval and consent to participate
: The study was approved by the local Institutional Review Board of Nationwide Children’s Hospital, Columbus, Ohio. Written informed consent was obtained from each patient and parent
: Not applicable.
: Jaap Stoker is research consultant for Robarts Clinical Trials and has a research agreement with Takeda.