Provision of medical services, in particular in the fields of haematology, haemato-oncology and haematological laboratory diagnostics, provision of consulting services and preparation of expert opinions in the prevention, diagnosis, therapy and research of haematological and oncological diseases. May establish branches and subsidiaries in Switzerland and abroad, participate in other companies in Switzerland and abroad, and conduct all business that is directly or indirectly related to its purpose, acquire, encumber, sell and manage real estate in Switzerland and abroad, arrange financing for its own account or for the account of third parties, and grant guarantees and warranties for subsidiaries and third parties.