AUTHOR=Melnick Glenn TITLE=Editorial: Health systems performance: market structure, consolidation, and health care prices JOURNAL=Frontiers in Public Health VOLUME=11 YEAR=2023 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2023.1344939 DOI=10.3389/fpubh.2023.1344939 ISSN=2296-2565