Text and Data Mining valid from 2019-03-20
First Online: 20 March 2019
Compliance with Ethical Standards
: Catrina A. Calub, Mark D. Rapport, Lauren M. Friedman, and Samuel J. Eckrich declare that they have no conflict of interest.
: 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.
: Institutional Review Board (IRB) approved use of this information for research purposes.
: Informed consent and assent was obtained from all parents/legal guardians and children participating in the study, respectively.