NCIt definition : The person or authoritative body who provided the information.;
Alternative definition : CDISC-GLOSS: Source of information collected in the course of a clinical trial, specifically
used to differentiate between data as collected versus data that are derived or calculated.
NOTE: In CDISC, a metadata attribute defined for each dataset variable in the Define.xml
document of an SDTM submission that refers to the source of a variable (e.g., CRF,
derived, sponsor defined, PRO, etc.). See also data element originator.;