Facemasks during aerobic exercise: Implications for cardiac rehabilitation programs during the Covid-19 pandemic Tiago Pimenta; Helena Tavares; João Ramos; Mafalda Oliveira; David Reis; Hugo Amorim; Afonso Rocha;

Cardiac rehabilitation programs for heart failure patients in the time of COVID-19 Cristine Schmidt; Sandra Magalhães; Ana Barreira; Fernando Ribeiro; Preza Fernandes; Mário Santos;

Current state of cardiac rehabilitation in Portugal: Results of the 2019 national survey José Paulo Fontes; Eduardo M. Vilela; Anaí Durazzo; Madalena Teixeira;