Dong, Beidi
Krohn, Marvin D.
Funding for this research was provided by:
Office of Juvenile Justice and Delinquency Prevention (86-JN-CX-0007)
National Institute on Drug Abuse (R01DA005512)
National Science Foundation (SBR-9123299, SBR-9512290)
National Institute of Mental Health (R01MH63386)
National Institute of Child Health and Human Development (P30HD32041)
Article History
Received: 11 November 2015
Accepted: 4 January 2016
First Online: 9 January 2016
Conflict of interest
: 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.
: Informed consent was obtained from all individual participants included in the study.