COVID-19-related restrictions and quarantine COVID-19: Effects on cardiovascular and yo-yo test performance in professional soccer players - de Albuquerque Freire, L.; Tannure, M.; Sampaio, M.; Slimani, M.; Znazen, H.; Bragazzi, N. L.; Aedo-Muñoz, E.; Sobarzo Soto, D. A.; Brito, C. J.; Miarka, B. (Frontiers in Psychology, 2020)