Funding for this research was provided by:
National Institute on Drug Abuse (R01DA033871)
National Institute on Alcohol Abuse and Alcoholism (T32AA007455)
Article History
Received: 10 April 2018
Accepted: 4 December 2018
First Online: 15 December 2018
Compliance with ethical standards
:
: Alan W. Stacy, Liesl A. Nydegger and Yusuke Shono 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.