Created at	Source	Raw Value	Validated value
Oct. 26, 2020, 11:31 p.m.	usa	Change in total circulating 25(OH)D concentration;Change in total circulating 25(OH)D concentration in COVID-19 positives;Change in SARS-CoV-2 antibody titers	Change in total circulating 25(OH)D concentration;Change in total circulating 25(OH)D concentration in COVID-19 positives;Change in SARS-CoV-2 antibody titers