Funding for this research was provided by:
National Institute on Drug Abuse (1R36DA041538;)
Fahs-Beck Fund for Research and Experimentation (082876)
Campus Research Board (RB15434)
Text and Data Mining valid from 2019-05-06
First Online: 6 May 2019
Compliance with Ethical Standards
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Ethics were approved from the University of Illinois IRB.
: Informed consent was obtained from all individual participants included in the study.