On kofam.ch, I'm looking for clinical studies in Basel related to 'Herz-Kreislauf- und Herzerkrankungen' (Cardiovascular and Heart Diseases) that are currently recruiting participants. After applying these filters, how many studies match my criteria? Additionally, what are the main categories of additional filters available under 'Weitere Filter'?
Navigate to the 'Studiensuche' page on kofam.ch. Ensure any existing filters are cleared using 'Filter zurücksetzen' if present. Open the 'Studienstandort' (Study Location) filter and select 'Basel'. Open the 'Krankheitskategorie' (Disease Category) filter and select 'Herz-Kreislauf- und Herzerkrankungen'. Open the 'Rekrutierungsstatus' (Recruitment Status) filter and select 'Rekrutierung läuft' (Recruitment ongoing). Identify the total number of search results displayed after applying all filters. Click on 'Weitere Filter' (Further Filters). List all the distinct main filter categories that appear under 'Weitere Filter'.
The 'Basel' location filter is successfully applied. The 'Herz-Kreislauf- und Herzerkrankungen' disease category filter is successfully applied. The 'Rekrutierung läuft' recruitment status filter is successfully applied. State the exact number of search results found after applying all specified filters. List all the distinct main filter categories (e.g., 'Studienteilnehmende', 'Studien in folgenden angrenzenden Ländern hinzufügen', 'Datenquelle(n)') that are visible under the 'Weitere Filter' section.