sdtm_ti.RdTrial Inclusion/ Exclusion Criteria data frame - One record per I/E criterion
sdtm_tia data frame with 31 rows and 6 columns. See https://github.com/SafetyGraphics/safetyData/blob/main/data-raw/sdtm/README.md for more details and full data specification. Columns:
 STUDYID text - Study Identifier
 DOMAIN text - Domain Abbreviation
 IETESTCD text - Incl/Excl Criterion Short Name
 IETEST text - Inclusion/Exclusion Criterion
 IECAT text - Inclusion/Exclusion Category
 TIRL text - Inclusion/Exclusion Criterion Rule