1 Center for Exercise Science and Sports, University of Ferrara, Ferrara, Italy (Messrs Raisi and Piva, Ms Zerbini, and Drs Mazzoni, Grazzi, and Mandini); Division of Cardiology, VA, Palo Alto, California (Dr Myers); Stanford University School of Medicine, Stanford, California (Dr Myers); Healthy Living for Pandemic Event Protection (HL-PIVOT) Network, Chicago, Illinois (Drs Myers and Grazzi); Cardiovascular Institute, Azienda Ospedaliero Universitaria di Ferrara, Ferrara, Italy (Dr Campo); and Public Health Department, AUSL Ferrara, Ferrara, Italy (Drs Mazzoni and Grazzi).