1. Medical University of Vienna; Department of Neurology; Währinger Straße 13a Vienna Austria
2. Medical University of Vienna; Department of Psychiatry; Währinger Gürtel 18-20 Vienna Austria AT-1090
3. Medical University of Vienna; Department of Medical Statistics; Vienna Austria
4. University Library of the Medical University of Vienna; Information Retrieval Office; Währinger Gürtel 18-20 Vienna Austria 1090