Worldwide Effect of COVID-19 on Physical Activity: A Descriptive Study

Letters29 June 2020Worldwide Effect of COVID-19 on Physical Activity: A Descriptive StudyFREEGeoffrey H. Tison, MD, MPH, Robert Avram, MD, MSc, Peter Kuhar, BS, Sean Abreau, MSc, Greg M. Marcus, MD, MAS, Mark J. Pletcher, MD, MPH, and Jeffrey E. Olgin, MDGeoffrey H. Tison, MD, MPHUniversity of California, San Francisco, and Bakar Computational Health Sciences Institute, San Francisco, California (G.H.T.)Search for more papers by this author, Robert Avram, MD, MScUniversity of California, San Francisco, San Francisco, California (R.A., S.A., G.M.M., M.J.P., J.E.O.)Search for more papers by this author, Peter Kuhar, BSAzumio, Redwood City, California (P.K.)Search for more papers by this author, Sean Abreau,…