Created at	Source	Raw Value	Validated value
Nov. 11, 2021, 4:35 p.m.	irct	informed written desire and consent to participate in the study Age 18 years or older Hospitalization Severe disease Positive polymerase chain reaction (PCR) test Lung involvement based on CT scan	informed written desire and consent to participate in the study Age 18 years or older Hospitalization Severe disease Positive polymerase chain reaction (PCR) test Lung involvement based on CT scan