Funding for this research was provided by:
National Institute on Drug Abuse (UG1DA040314, HHSN271201400028C)
Text and Data Mining valid from 2020-03-23
Received: 11 June 2019
Accepted: 6 February 2020
First Online: 23 March 2020
Ethics approval and consent to participate
: PROUD Phase 1 was approved by the Kaiser Permanente Washington institutional review board and had a waiver of informed consent and HIPAA authorization. The PROUD Trial (Phase 2) was approved by a centralized IRB (Advarra institutional review board, formerly Quorum Review) with all sites ceding to Advarra, and the study had a waiver of informed consent and HIPAA authorization.
: Not applicable.
: The authors declare that they have no competing interests.