Carter, Angela
Article History
Received: 6 July 2018
Accepted: 14 September 2018
First Online: 8 October 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: Add Health participants provided written informed consent for participation in all aspects of Add Health in accordance with the University of North Carolina School of Public Health Institutional Review Board guidelines that are based on the Code of Federal Regulations on the Protection of Human Subjects 45CFR46.