Accepted: 8 June 2021
First Online: 19 June 2021
: No human subjects were involved in this research. As an epidemiologic study addressing state health systems, no human subjects approval or determination was sought. Specifically, this study is based on administrative, facility-level data about characteristics of opioid treatment programs. No individual-level data was used in this study. The facility-level dataset (The National Survey of Substance Abuse Treatment Services) is free and publicly available for download online through SAMHSA.
: Not applicable.
: The authors declare that they have no competing interests.