AUTHOR=Jakobsson Johan , Malm Christer , Furberg Maria , Ekelund Ulf , Svensson Michael TITLE=Physical Activity During the Coronavirus (COVID-19) Pandemic: Prevention of a Decline in Metabolic and Immunological Functions JOURNAL=Frontiers in Sports and Active Living VOLUME=2 YEAR=2020 URL=https://www.frontiersin.org/journals/sports-and-active-living/articles/10.3389/fspor.2020.00057 DOI=10.3389/fspor.2020.00057 ISSN=2624-9367