COVID-19(32) SARS-CoV-2(16) Patient(12) Infection(9) coronavirus(9) intensive care(8) acute respiratory syndrome(7) outcome(7) Support(6) patients with COVID-19(6) ACE2(5) severe acute respiratory syndrome Coronavirus(5) angiotensin(5) selected(5) acute respiratory syndrome coronavirus(5) angiotensin-converting enzyme 2(5) sarcopenia(5) Angiotensin-converting enzyme(5) acute respiratory syndrome coronavirus 2(5) Antiviral(4) reported(4) Warburg effect(4) hospital(4) immune response(4) vitamin D.(4) vitamins(4) 2019 novel coronavirus(4) hyperglycemia(4) Effect(4) aerobic glycolysis(4)