preferred_name: Up to maximally 2 drugs of group I on more than 15 days in the last 4 weeks.
preferred_name_lc: up to maximally 2 drugs of group i on more than 15 days in the last 4 weeks.
label: Up to maximally 2 drugs of group I on more than 15 days in the last 4 weeks.
label_lc: up to maximally 2 drugs of group i on more than 15 days in the last 4 weeks.