Dye, Bruce A. http://orcid.org/0000-0003-3400-4125
Afful, Joseph
Thornton-Evans, Gina
Iafolla, Timothy
Article History
Received: 17 December 2018
Accepted: 29 April 2019
First Online: 29 May 2019
Ethics approval and consent to participate
: All study participants gave written informed consent in accordance with the National Center for Health Statistics’ Research Ethics Review Board (Protocol #2011–17) and study ethic guidelines at the Centers for Disease Control and Prevention. Parental consent was obtained for participates age 15 and below.
: The authors declare that they have no competing interests.
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