1. Institute of Medical Psychology and Behavioral Immunobiology University Hospital Essen University of Duisburg‐Essen Essen Germany
2. Clinic of Neurosurgery University Hospital Essen University of Duisburg‐Essen Essen Germany
3. Department of Nephrology University Hospital Essen University of Duisburg‐Essen Essen Germany
4. Department of Infectious Diseases West German Centre of Infectious Diseases University Hospital Essen University of Duisburg‐Essen Essen Germany
5. Department of Clinical Neuroscience Osher Center for Integrative Medicine Karolinska Institutet Stockholm Sweden