Article History
First Online: 13 October 2018
Compliance with Ethical Standards
:
: Elizabeth C. Tampke, Jennifer B. Blossom, and Paula J. Fite declare that they have no conflict of interest with the study.
: All study procedures were approved by and conducted in accordance with the institutional review board of the University of Kansas.
: Informed consent was attained from the parents of all participants and assent was attained from all participants in accordance with the institutional review board of the University of Kansas.
: All procedures 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.