Created at	Source	Raw Value	Validated value
Nov. 16, 2021, 6:30 p.m.	usa	inclusion criteria: age ≥18 years, patients with onset of symptoms >15 days, laboratory (rt-pcr) confirmed infection with 2019-ncov.	inclusion criteria: age ≥18 years, patients with onset of symptoms >15 days, laboratory (rt-pcr) confirmed infection with 2019-ncov.
Aug. 17, 2021, 6 p.m.	usa	inclusion criteria: 1. age ≥18 years, 2. patients with onset of symptoms >15 days, 3. laboratory (rt-pcr) confirmed infection with 2019-ncov.	inclusion criteria: 1. age ≥18 years, 2. patients with onset of symptoms >15 days, 3. laboratory (rt-pcr) confirmed infection with 2019-ncov.