preferred_name: Episodes of weakness can last 1 day to several weeks and can occur 1-3 times per month
preferred_name_lc: episodes of weakness can last 1 day to several weeks and can occur 1-3 times per month
label: Episodes of weakness can last 1 day to several weeks and can occur 1-3 times per month
label_lc: episodes of weakness can last 1 day to several weeks and can occur 1-3 times per month