preferred_name: Patients not eligible due to pre-existing inflammatory bowel disease (ibd) (e.g., ulcerative colitis, crohn's disease)
preferred_name_lc: patients not eligible due to pre-existing inflammatory bowel disease (ibd) (e.g., ulcerative colitis, crohn's disease)
label: Not elg pre ex ibd/uc/crohn
label_lc: not elg pre ex ibd/uc/crohn