Funding for this research was provided by:
National Institute on Drug Abuse (5R01DA038648)
Article History
Accepted: 22 February 2021
First Online: 2 March 2021
Declarations
:
: The Institutional Review Board of the University of Southern California approved all procedures of the parent study. All study participants provided informed consent prior to participation in the parent study. No individual data are reported in this paper.
: Not applicable.
: The authors declare that they have no competing interests.