preferred_name: Behavior present, fluctuates (e.g., comes and goes, changes in severity).
preferred_name_lc: behavior present, fluctuates (e.g., comes and goes, changes in severity).
label: Behavior present, fluctuates (e.g., comes and goes, changes in severity).
label_lc: behavior present, fluctuates (e.g., comes and goes, changes in severity).