Van Patten, Ryan
Weinstock, Jeremiah
McGrath, Andrew B.
Article History
First Online: 1 September 2017
Compliance with Ethical Standards
:
: The authors report no potential conflicts of interest in relation to this study.
: 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. Data were provided by the North Carolina State Center for Health Statistics and Centers for Disease Control and Prevention.