AUTHOR=Kjertakov Metodija , Petersen Aaron TITLE=Hot water immersion could be an effective alternative to physical exercise in improving cardiovascular fitness during the COVID-19 pandemic JOURNAL=Frontiers in Physiology VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2022.1035183 DOI=10.3389/fphys.2022.1035183 ISSN=1664-042X