1. Pediatric Cardiology Unit, Pediatric Department, Buzzi Children’s Hospital, 20154 Milan, Italy
2. Biometry & Clinical Epidemiology, Scientific Direction, Fondazione IRCCS Policlinico San Matteo, 27100 Pavia, Italy
3. Laboratory of Adapted Motor Activity (LAMA), Department of Public Health, Experimental Medicine and Forensic Science, University of Pavia, 27100 Pavia, Italy
4. BIOMETRA Department, University of Milan, 20129 Milan, Italy
5. Exercise Medicine Unit, Istituto Auxologico Italiano, IRCCS, 20135 Milan, Italy
6. Department of Industrial Engineering, University of Rome Tor Vergata, 00133 Rome, Italy
7. DISCCO Department, University of Milan, 20122 Milan, Italy
8. Pediatric Unit, Pediatric Department, Buzzi Children’s Hospital, 20154 Milan, Italy
9. Department of Internal Medicine, University of Pavia, 27100 Pavia, Italy
10. Department of Biomedical and Clinical Science, University of Milano, 20157 Milan, Italy