Wang, Cheng http://orcid.org/0000-0002-4693-6424
Hipp, John R.
Butts, Carter T.
Jose, Rupa
Lakon, Cynthia M.
Funding for this research was provided by:
National Institute on Drug Abuse (#1 R21 DA031152-01A1)
Article History
First Online: 30 March 2017
Compliance with Ethical Standards
:
: This study is funded by Grant no. 1 R21 DA031152-01A1 from National Institute on Drug Abuse (NIDA) Health.
: The authors declare that they have no conflict of interest.
: 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. This study was reviewed and granted approval under exempt review by the institutional review board at the University of California, Irvine, on April 12, 2013.
: The secondary data used in this study come from early waves of The National Longitudinal Study of Adolescent to Adult Health (Add Health). 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: ExternalRef removed. Written informed consent was given by participants (or next of kin/caregiver) for their answers to be used in this study.