SARS-CoV-2(10) acute respiratory syndrome(9) COVID-19(9) coronavirus disease(8) Patient(7) receptor(7) Coronavirus-2(7) reduced(6) evaluate(6) patients(6) ACE2(6) convalescent(6) treat(6) Concentration(5) Biomarker(5) angiotensin-converting-enzyme(5) Corona virus(5) Autopsy(5) age(5) tissue(5) inverse correlation(5) marker(5) sACE2(5) dysregulation(5) statistically(5) soluble Angiotensin-Converting Enzyme 2(5) disease severity(5) membrane(5) RAS pathway(5) hospitalized COVID-19 patient(5)