Funding for this research was provided by:
U.S. Department of Health & Human Services | NIH | National Institute on Drug Abuse (DA033372)
Brain and Behavior Research Foundation (NARSAD)
Article History
Received: 11 May 2018
Revised: 23 July 2018
Accepted: 24 July 2018
First Online: 1 August 2018
Competing interests
: The authors declare no competing interests.