Article History
Accepted: 5 May 2022
First Online: 18 May 2022
Declarations
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study was approved by the Institutional Review Board at the University of North Carolina at Chapel Hill.
: Informed consent was obtained from all parents and legal guardians, and individual participants included in the study.
: The authors declare no competing interests.