Perkins, Kenneth A.
Karelitz, Joshua L.
Funding for this research was provided by:
National Institute on Drug Abuse (R21 DA035968, R01 DA035774)
Article History
Received: 10 January 2020
Accepted: 10 March 2020
First Online: 27 March 2020
Compliance with ethical standards
: These study procedures were approved by the University of Pittsburgh Institutional Review Board and are in accordance with the Helsinki Declaration of 1975.
: The authors declare that they have no conflict of interest.
: The content is solely the responsibility of the authors and does not necessarily represent the official views of the NIH.