AUTHOR=Gakidi Aikaterini , Kotoulas Serafeim-Chrysovalantis , Pataka Athanasia , Pitsiou Georgia , Boutou Afroditi TITLE=Editorial: Cardiopulmonary exercise testing in chronic diseases JOURNAL=Frontiers in Sports and Active Living VOLUME=Volume 7 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/sports-and-active-living/articles/10.3389/fspor.2025.1598498 DOI=10.3389/fspor.2025.1598498 ISSN=2624-9367