Funding for this research was provided by:
National Institute on Drug Abuse (R01 DA013709)
National Institute on Alcohol Abuse and Alcoholism (R01 AA14702)
Karl R. and Diane Wendle Fink Early Career Professorship for the Study of Families
Received: 9 August 2017
Accepted: 20 August 2017
First Online: 2 September 2017
Compliance with Ethical Standards
: The authors declare that they have no competing interests.
: All procedures performed involving human participants were approved by the local institutional review board.
: Informed consent was obtained from all parents included in the study.