Williams, Jeffery E.
Dangerfield, Derek T. II
Kral, Alex H.
Wenger, Lynn D.
Bluthenthal, Ricky N.
Funding for this research was provided by:
National Institute on Drug Abuse (R01DA027689, R01DA038965)
National Science Foundation (Graduate Research Fellowship Program (AY 2013)
Article History
First Online: 3 April 2018
Compliance with Ethical Standards
: The study protocol was reviewed and approved by Institutional Review Boards at the University of Southern California and RTI International.