Received: 10 November 2020
Accepted: 24 March 2021
First Online: 7 April 2021
: This study was reviewed and approved by the Institutional Review Board at Children’s Hospital Los Angeles (FWA0001914). The research team was approved by the IRB at our institution to access and use our institution’s electronic medical record for the purposes of this study. Considering the retrospective nature of this study and appropriate protocols to protect participant confidentiality, the IRB determined that informed consent was not required for this study.
: Not applicable.
: The authors have no financial or non-financial competing interests to be declared.