Corresponding Author: Taylor A. Ochalek, PhD, Virginia Commonwealth University C. Kenneth and Dianne Wright Center for Clinical and Translational Research, Richmond Academy of Medicine Bldg, 1200 E Clay St, Richmond, VA 23298 (taylor.ochalek@vcuhealth.org).
Accepted for Publication: August 25, 2020.
Published Online: September 18, 2020. doi:10.1001/jama.2020.17477
Author Contributions: Drs Ochalek and Gal had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis.
Concept and design: Ochalek, Wills, Moeller.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Ochalek.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Ochalek, Gal.
Administrative, technical, or material support: Wills, Moeller.
Supervision: Ochalek, Cumpston, Moeller.
Conflict of Interest Disclosures: Dr Moeller reported consulting for Indivior PLC, Boehringer Ingelheim, and Astellas and receiving grant support from Indivior PLC and Nektar. No other disclosures were reported.
Funding/Support: This study was supported in part by National Institutes of Health research training grant NIDA T32 DA7027-44; National Institutes of Health grants UL1TR002649, U54DA038999, and NCI P30 CA016059/36; and funding from Indivior PLC and Virginia Catalyst.
Role of the Funder/Sponsor: The funders had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.