Created at	Source	Raw Value	Validated value
Jan. 9, 2022, 10 a.m.	irct	Patients with positive RT-PCR for COVID19 Ability to sign consent and sufficient literacy No history of melatonin use during the study Admission in ICU Age over 20 years	Patients with positive RT-PCR for COVID19 Ability to sign consent and sufficient literacy No history of melatonin use during the study Admission in ICU Age over 20 years