Feasibility, safety, adherence and efficacy of high-intensity interval training and moderate-intensity continuous training on functionality and quality of life in COVID-19 (COVIDEX) survivors: Phase I randomized clinical trial - Araujo, William Suzart Coutinho de; Gomes, Vinícius Afonso; Fontoura, Fabiane Costa Santos; Gomes Neto, Mansueto (JOURNAL OF CARDIAC ARRHYTHMIAS, 2024)