preferred_name: Whether the patient has symptoms related to condition of interest &#x7C; Patient &#x7C; History
preferred_name_lc: whether the patient has symptoms related to condition of interest &#x7c; patient &#x7c; history
label: Whether the patient has symptoms related to condition of interest &#x7C; Patient &#x7C; History
label_lc: whether the patient has symptoms related to condition of interest &#x7c; patient &#x7c; history