Funding for this research was provided by:
National Institutes of Health (U19AR069525)
Text and Data Mining valid from 2020-02-12
Received: 9 April 2019
Accepted: 3 February 2020
First Online: 12 February 2020
Ethics approval and consent to participate
: Study protocols were approved by the Children’s Hospital of Philadelphia’s Institutional Review Board (IRB protocols #16–013072 and #16–012804). Informed consent was obtained from parents and assent was obtained from children.
: Not applicable.
: The authors declare that they have no competing interests.