1. Institute for Medical Informatics, Biometry and Epidemiology University Hospital of University Duisburg‐Essen Essen Germany
2. Department of Cardiology, Gastroenterology and Intensive‐Care Medicine Alfried Krupp Krankenhaus Essen Essen Germany
3. Institute for Anatomy I Heinrich Heine University Düsseldorf Düsseldorf Germany
4. Institute of Neuroscience and Medicine (INM‐1) Research Center Jülich Jülich Germany
5. Institute for Urban Public Health University Hospital of University Duisburg‐Essen Essen Germany