1. Department of Prosthodontics, Medical Faculty and University Hospital Düsseldorf Heinrich‐Heine‐University Düsseldorf Düsseldorf Germany
2. Department of Prosthodontics and Periodontology, Bauru School of Dentistry University of Sao Paulo Bauru Brazil
3. Institute of Systems Neuroscience, Medical Faculty Heinrich‐Heine‐University Düsseldorf Düsseldorf Germany
4. Institute of Neuroscience and Medicine, Brain and Behavior (INM‐7) Research Center Jülich Jülich Germany