Funding for this research was provided by:
U.S. Department of Health & Human Services | NIH | National Institute on Drug Abuse (DA023206, DA047861, DA040620, 044538, DA043940)
U.S. Department of Health & Human Services | NIH | National Institute on Drug Abuse
U.S. Department of Health & Human Services | NIH | National Institute on Drug Abuse
U.S. Department of Health & Human Services | NIH | National Institute on Drug Abuse
U.S. Department of Health & Human Services | NIH | National Institute on Drug Abuse
Article History
Received: 24 October 2019
Revised: 2 January 2020
Accepted: 7 February 2020
First Online: 18 February 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.