Explore the 'Weitere Filter' (Further Filters) section to identify what additional criteria users can apply to their search for clinical studies. List at least three distinct filtering options available within this section.
Click on the 'Weitere Filter' (Further Filters) button (ID 551). Identify and list at least three distinct filtering categories or options that appear within this expanded filter section.
The agent successfully clicks on the 'Weitere Filter' button. The agent identifies and lists at least three distinct filtering options (e.g., Geschlecht (Gender), Alter (Age), Studientyp (Study Type), Studienphase (Study Phase), etc.) that become visible after clicking 'Weitere Filter'.