1. Clinical Neuroscience Unit; Department of Neurology; University Hospital Bonn; Bonn Germany
2. German Centre for Neurodegenerative Diseases (DZNE); Bonn Germany
3. Surgical Intensive Care; Department of Anaesthesiology and Intensive Care Medicine; University Hospital Bonn; Bonn Germany
4. Department of Psychiatry; University of Bonn; Bonn Germany