Ennett, Susan T. http://orcid.org/0000-0003-2125-1127
Faris, Robert W.
Hussong, Andrea M.
Gottfredson, Nisha
Cole, Veronica
Funding for this research was provided by:
National Institute on Drug Abuse (R01 DA037215)
National Institute on Drug Abuse (R01 DA13459)
National Institute on Drug Abuse (K01 DA035153)
Centers for Disease Control and Prevention (R49 CCV423114)
Article History
Received: 11 May 2018
Accepted: 1 August 2018
First Online: 16 August 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: The Institutional Review Board of the University of North Carolina at Chapel Hill approved all procedures, which were performed in accordance with ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: A waiver of parental written informed consent was approved for the study; written assent was obtained from all adolescents included in the study.