preferred_name: Antianxiety received in last 7D or since admission &or reentry if less than 7D
preferred_name_lc: antianxiety received in last 7d or since admission &or reentry if less than 7d
label: Antianxiety received in last 7 days or since admission/reentry if less than 7 days
label_lc: antianxiety received in last 7 days or since admission/reentry if less than 7 days