Funding for this research was provided by:
National Institute on Drug Abuse (R01 DA10355)
National Institute of Mental Health (R01 MH61469)
Article History
Received: 11 April 2018
Accepted: 1 October 2018
First Online: 15 November 2018
Compliance with Ethical Standards
: All animal use procedures were in strict accordance with the NIH <i>Guide for the Care and Use of Laboratory Animals</i> and were approved by the Institutional Animal Care and Use Committee.
: The authors declare that they have no conflict of interest.