Increased donor rate at Sestre milosrdnice University Hospital.

-D epartment of Anesthesiology; "University Department of Neurology, Reference Center for Neurovascular Disorders and Reference Center for Headache of the Ministry of Health and Social Welfare of Republic of Croatia, "Ministry of Health and Social Welfare of the Republic of Croatia; "Department for Diagnostic and Interventional Radiology; "University Department of Neurosurgery, Sestre milosrdnice University Hospital, Zagreb, Croatia