Rocque, Michael
Posick, Chad
White, Helene R.
Funding for this research was provided by:
National Institute on Drug Abuse (R01 DA03395)
Article History
Received: 5 August 2015
Revised: 19 October 2015
Accepted: 27 October 2015
First Online: 13 November 2015
Compliance with Ethical Standards
:
: All subjects in this study provided assent with parents providing written consent until age 18; thereafter, the subjects provided written consent.
: The authors declare that they have no competing interests.
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