Created at	Source	Raw Value	Validated value
Nov. 16, 2021, 6:30 p.m.	usa	inclusion criteria: above 18 years of age have positive covid pcr on nasopharyngeal and/or oropharyngeal swabs classified as severe* covid-19 according to who guideline consent given by the patient or first degree relative	inclusion criteria: above 18 years of age have positive covid pcr on nasopharyngeal and/or oropharyngeal swabs classified as severe* covid-19 according to who guideline consent given by the patient or first degree relative
May 19, 2021, 12:31 a.m.	usa	inclusion criteria: 1. above 18 years of age 2. have positive covid pcr on nasopharyngeal and/or oropharyngeal swabs 3. classified as severe* covid-19 according to who guideline 4. consent given by the patient or first degree relative	inclusion criteria: 1. above 18 years of age 2. have positive covid pcr on nasopharyngeal and/or oropharyngeal swabs 3. classified as severe* covid-19 according to who guideline 4. consent given by the patient or first degree relative