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Article History

Received: 4 February 2020

Accepted: 29 April 2020

First Online: 29 May 2020

Compliance with Ethical Standards

:

: The authors declare that they have no conflict of interest.

: The research procedures of the present study were approved by the Institutional Review Board the Children’s Hospital of Philadelphia.

: All parents provided informed consent. Adolescents with parental permission provided assent before participation in the study.