Funding for this research was provided by:
National Institute on Drug Abuse (R01DA038466)
Article History
Received: 29 March 2018
Accepted: 19 June 2018
First Online: 28 June 2018
Ethics approval and consent to participate
: This study was approved by the University of California, San Diego, Human Research Protections Program (HRPP; Protocol 141134) and the Los Angeles and San Diego County ethics approval committees. Informed consent was obtained from all participants.
: Not applicable.
: GAA is an associate editor of Implementation Science; all decisions on this paper were made by another editor. The authors declare that they have no competing interests.
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