Funding for this research was provided by:
National Institute on Drug Abuse (5R01DA032639-03, 2012)
Article History
Accepted: 9 December 2020
First Online: 16 January 2021
Compliance with Ethical Standards
:
: Approval was obtained from the ethics committee of George Mason University. The procedures used in this study adhere to the tenets of the Declaration of Helsinki.
: The authors declare that they have no conflict of interest.
: Informed consent was obtained from all individual participants included in the study.