Created at	Source	Raw Value	Validated value
March 28, 2021, 12:31 a.m.	usa	multi-center?	multi-center
Nov. 27, 2020, 12:31 a.m.	usa	multi-center	multi-center
Nov. 21, 2020, 12:31 a.m.	usa	single-center	single-center
Nov. 19, 2020, 12:31 a.m.	usa	multi-center?	multi-center?