Funding for this research was provided by:
National Institute on Drug Abuse (K01 DA035153, R01 DA013459)
Text and Data Mining valid from 2018-08-31
First Online: 31 August 2018
Compliance with Ethical Standards
: The authors declare that they have no conflict of interest.
: The study was approved by the UNC Institutional Review Board.
: All participants in this study consented to participate after parents assented.
: The content of this manuscript is solely the responsibility of the authors and does not represent the official views of the NIH.