EightWeeks of Supervised Pulmonary Rehabilitation Are Effective in Improving Resting Heart Rate and Heart Rate Recovery in Severe COVID-19 Patient Survivors of Mechanical Ventilation

María Fernanda del Valle, Jorge Valenzuela , Gabriel Nasri Marzuca-Nassr , Consuelo Cabrera-Inostroza, Mariano del Sol, Pablo A. Lizana , Máximo Escobar-Cabello and Rodrigo Muñoz-Cofre