Liming, Kiley W. https://orcid.org/0000-0001-6469-6674
Article History
First Online: 21 September 2018
Compliance with Ethical Standards
:
: The corresponding author declares no conflict of interest.
: For this type of study, secondary data analysis, formal consent is not required. In the original study, the National Survey on Children’s Health (NSCH) 2011–2012, informed consent was obtained from all individual participants included in the study.