1 Center for Exercise Science and Sport, University of Ferrara, Ferrara, Italy.
2 Division of Cardiology, VA, Palo Alto, California Stanford University School of Medicine, Stanford, California.
3 Public Health Department, AUSL Piacenza, Piacenza, Italy General Directorship for Public Health and Integration Policy, Emilia-Romagna Region, Bologna, Italy.
4 Center for Exercise Science and Sport, University of Ferrara, Ferrara, Italy Public Health Department, AUSL Ferrara, Ferrara, Italy.