AUTHOR=Hagaman Angela , Warren Hannah L. , Miller Ruth , Henderson Craig TITLE=Peer support service activity prevalence by setting: a nine-state survey of peer workers JOURNAL=Frontiers in Public Health VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2025.1533051 DOI=10.3389/fpubh.2025.1533051 ISSN=2296-2565